{"abstract":"Tomatoes and tomato appear as separate lines \"tomatoe\" and \"tomato\".","category":"Recipe scaling and nutrition","checks":8,"contract":"Rows [name, qty, unit]. Names normalize: trim, lower, \"-oes\" -> drop \"es\", \"-ies\" -> \"y\", other trailing \"s\" dropped unless \"ss\". Volume (tsp=1, tbsp=3, cup=48 tsp), mass (g, kg=1000 g) and other units aggregate separately per name. Pantry {name: [qty, unit]} subtracts from the same name and dimension, never below 0. Output sorted by (name, dimension) as [name, str(qty), unit], skipping zero totals; volume shows cup if >=12 tsp, else tbsp if >=3 tsp, else tsp; mass shows kg if >=1000 g.","evaluation_group":"w2-recipe_scaling_and_nutrition-shopping-list","failed_approach":"Dropping \"es\" from every \"-es\" word turns grapes into \"grap\".","family":"w2-recipe_scaling_and_nutrition-shopping-list-oes-plural-rule","id":"FA-97126","implementations":{"attempt":{"sha256":"d1dc278d3a902b23f7f61dd081ac2d988e9ee87f1b0813dd5262d613782ac91c","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport math\nfrom fractions import Fraction\nN = 1\nobservations = []\ndef solve(recipes, pantry):\n    VOL = {'tsp': 1, 'tbsp': 3, 'cup': 48}\n    MASS = {'g': 1, 'kg': 1000}\n    def norm(n):\n        n = n.strip().lower()\n        if n.endswith('es'):\n            return n[:-2]\n        if n.endswith('ies'):\n            return n[:-3] + 'y'\n        if n.endswith('s') and not n.endswith('ss'):\n            return n[:-1]\n        return n\n    def base(q, u):\n        if u in VOL:\n            return 'volume', Fraction(q) * VOL[u]\n        if u in MASS:\n            return 'mass', Fraction(q) * MASS[u]\n        return u, Fraction(q)\n    tot = {}\n    for recipe in recipes:\n        for name, q, u in recipe:\n            dim, v = base(q, u)\n            k = (norm(name), dim)\n            tot[k] = tot.get(k, 0) + v\n    for name, (q, u) in pantry.items():\n        dim, v = base(q, u)\n        pk = (norm(name), dim)\n        if pk in tot:\n            tot[pk] = max(Fraction(0), tot[pk] - v)\n    out = []\n    for (name, dim), v in sorted(tot.items()):\n        if v == 0:\n            continue\n        if dim == 'volume':\n            unit, v2 = ('cup', v / 48) if v >= 12 else ('tbsp', v / 3) if v >= 3 else ('tsp', v)\n        elif dim == 'mass':\n            unit, v2 = ('kg', v / 1000) if v >= 1000 else ('g', v)\n        else:\n            unit, v2 = dim, v\n        out.append([name, str(v2), unit])\n    return out\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[['single recipe', [[[['flour', '1', 'cup']]], {}], [['flour', '1', 'cup']]],\n  ['merge plurals', [[[['tomatoes', '2', 'each']], [['Tomato', '1', 'each']]], {}],\n   [['tomato', '3', 'each']]],\n  ['pantry covers all', [[[['eggs', '2', 'each']]], {'egg': ['6', 'each']}], []],\n  ['regression: -oes plural rule',\n   [[[['Tomato', '1/3', 'tsp'], ['flour', '1', 'kg'], ['tomatoes', '1/2', 'tsp'], ['grape', '3', 'each']],\n     [['Tomato', '2', 'g'], ['berry', '1/2', 'tsp'], ['flour', '4', 'tsp'], ['berry', '3/4', 'tsp']],\n     [['berry', '3/4', 'g'], ['eggs', '1/4', 'tbsp']]],\n    {'watercress': ['4', 'g']}],\n   [['berry', '3/4', 'g'], ['berry', '5/4', 'tsp'], ['egg', '3/4', 'tsp'], ['flour', '1', 'kg'],\n    ['flour', '4/3', 'tbsp'], ['grape', '3', 'each'], ['tomato', '2', 'g'], ['tomato', '5/6', 'tsp']]],\n  ['repair check: -oes plural rule',\n   [[[['grapes', '2', 'each'], ['berry', '2', 'kg'], ['Tomato', '1/4', 'g']],\n     [['grape', '2', 'cup'], ['watercress', '1/3', 'tbsp'], ['watercress', '1/4', 'tsp']]],\n    {'grape': ['3/4', 'tbsp']}],\n   [['berry', '2', 'kg'], ['grape', '2', 'each'], ['grape', '125/64', 'cup'], ['tomato', '1/4', 'g'],\n    ['watercress', '5/4', 'tsp']]],\n  ['generated control 1', [[[['Tomato', '3/4', 'tsp']]], {'berry': ['2', 'g'], 'egg': ['1/3', 'each']}],\n   [['tomato', '3/4', 'tsp']]],\n  ['generated control 2',\n   [[[['peas', '3', 'g'], ['potatoes', '4', 'tsp'], ['flour', '4', 'g'], ['eggs', '1/2', 'g']],\n     [['berry', '3/4', 'each'], ['watercress', '1/3', 'tsp'], ['egg', '1/4', 'each'],\n      ['grape', '1/2', 'tsp']],\n     [['berry', '1/3', 'tsp']]],\n    {'egg': ['3', 'tbsp'], 'eggs': ['3/4', 'g']}],\n   [['berry', '3/4', 'each'], ['berry', '1/3', 'tsp'], ['egg', '1/4', 'each'], ['flour', '4', 'g'],\n    ['grape', '1/2', 'tsp'], ['pea', '3', 'g'], ['potato', '4/3', 'tbsp'], ['watercress', '1/3', 'tsp']]],\n  ['generated control 3',\n   [[[['watercress', '1/2', 'cup'], ['potatoes', '4', 'tbsp'], ['watercress', '2', 'each']],\n     [['berry', '1/4', 'tbsp']], [['potatoes', '1/4', 'each'], ['watercress', '3/4', 'kg']]],\n    {}],\n   [['berry', '3/4', 'tsp'], ['potato', '1/4', 'each'], ['potato', '1/4', 'cup'], ['watercress', '2', 'each'],\n    ['watercress', '750', 'g'], ['watercress', '1/2', 'cup']]]],\n [['merge plurals', [[[['tomatoes', '2', 'each']], [['Tomato', '1', 'each']]], {}],\n   [['tomato', '3', 'each']]],\n  ['pantry covers all', [[[['eggs', '2', 'each']]], {'egg': ['6', 'each']}], []],\n  ['watercress keeps ss', [[[['watercress', '100', 'g']]], {}], [['watercress', '100', 'g']]],\n  ['regression: -oes plural rule',\n   [[[['grapes', '2', 'g']], [['potatoes', '1/4', 'kg']]], {'Tomato': ['1/2', 'tsp']}],\n   [['grape', '2', 'g'], ['potato', '250', 'g']]],\n  ['repair check: -oes plural rule',\n   [[[['grapes', '1/2', 'kg']], [['Tomato', '2', 'g']],\n     [['berry', '3/4', 'g'], ['tomatoes', '3', 'each'], ['grape', '1', 'tsp'], ['tomatoes', '3', 'cup']]],\n    {'eggs': ['1/4', 'g']}],\n   [['berry', '3/4', 'g'], ['grape', '500', 'g'], ['grape', '1', 'tsp'], ['tomato', '3', 'each'],\n    ['tomato', '2', 'g'], ['tomato', '3', 'cup']]],\n  ['generated control 1',\n   [[[['berries', '3', 'cup'], ['potatoes', '2', 'g'], ['Tomato', '3', 'tbsp'], ['Tomato', '1/4', 'cup']]],\n    {}],\n   [['berry', '3', 'cup'], ['potato', '2', 'g'], ['tomato', '7/16', 'cup']]],\n  ['generated control 2',\n   [[[['Tomato', '1/2', 'cup'], ['Tomato', '2', 'each'], ['sugar ', '2', 'tbsp'],\n      ['tomatoes', '1/4', 'each']],\n     [['peas', '3/4', 'kg'], ['berries', '2', 'each'], ['tomatoes', '3/4', 'kg']]],\n    {'flour': ['3', 'tbsp']}],\n   [['berry', '2', 'each'], ['pea', '750', 'g'], ['sugar', '2', 'tbsp'], ['tomato', '9/4', 'each'],\n    ['tomato', '750', 'g'], ['tomato', '1/2', 'cup']]],\n  ['generated control 3', [[[['flour', '3', 'g'], ['berry', '2', 'each']]], {'flour': ['1/2', 'cup']}],\n   [['berry', '2', 'each'], ['flour', '3', 'g']]]],\n [['pantry covers all', [[[['eggs', '2', 'each']]], {'egg': ['6', 'each']}], []],\n  ['watercress keeps ss', [[[['watercress', '100', 'g']]], {}], [['watercress', '100', 'g']]],\n  ['single recipe', [[[['flour', '1', 'cup']]], {}], [['flour', '1', 'cup']]],\n  ['regression: -oes plural rule',\n   [[[['flour', '2', 'tsp'], ['grapes', '3/4', 'kg'], ['watercress', '1/3', 'tsp']],\n     [['potatoes', '4', 'tsp'], ['egg', '3/4', 'tbsp'], ['eggs', '3/4', 'each'], ['grape', '1/4', 'tbsp']]],\n    {'flour': ['2', 'cup'], 'grape': ['1/4', 'tsp']}],\n   [['egg', '3/4', 'each'], ['egg', '9/4', 'tsp'], ['grape', '750', 'g'], ['grape', '1/2', 'tsp'],\n    ['potato', '4/3', 'tbsp'], ['watercress', '1/3', 'tsp']]],\n  ['repair check: -oes plural rule',\n   [[[['egg', '1/3', 'cup'], ['berries', '1/4', 'cup'], ['Tomato', '2', 'tsp']]],\n    {'grapes': ['1', 'tbsp'], 'watercress': ['1/3', 'tsp']}],\n   [['berry', '1/4', 'cup'], ['egg', '1/3', 'cup'], ['tomato', '2', 'tsp']]],\n  ['generated control 1',\n   [[[['potatoes', '1', 'each'], ['grape', '1/3', 'kg'], ['sugar ', '3', 'cup'], ['watercress', '1', 'each']],\n     [['flour', '4', 'tbsp']]],\n    {'flour': ['1', 'kg']}],\n   [['flour', '1/4', 'cup'], ['grape', '1000/3', 'g'], ['potato', '1', 'each'], ['sugar', '3', 'cup'],\n    ['watercress', '1', 'each']]],\n  ['generated control 2',\n   [[[['eggs', '1/4', 'kg'], ['grapes', '1/4', 'tbsp'], ['watercress', '4', 'cup']],\n     [['grape', '4', 'g'], ['flour', '3', 'each']]],\n    {'berry': ['1/4', 'tsp'], 'watercress': ['3/4', 'g']}],\n   [['egg', '250', 'g'], ['flour', '3', 'each'], ['grape', '4', 'g'], ['grape', '3/4', 'tsp'],\n    ['watercress', '4', 'cup']]],\n  ['generated control 3',\n   [[[['grapes', '1/3', 'g']], [['eggs', '1', 'each'], ['berries', '1/4', 'each']]],\n    {'egg': ['3/4', 'each'], 'watercress': ['1', 'cup']}],\n   [['berry', '1/4', 'each'], ['egg', '1/4', 'each'], ['grape', '1/3', 'g']]]],\n [['watercress keeps ss', [[[['watercress', '100', 'g']]], {}], [['watercress', '100', 'g']]],\n  ['single recipe', [[[['flour', '1', 'cup']]], {}], [['flour', '1', 'cup']]],\n  ['merge plurals', [[[['tomatoes', '2', 'each']], [['Tomato', '1', 'each']]], {}],\n   [['tomato', '3', 'each']]],\n  ['regression: -oes plural rule',\n   [[[['grape', '2', 'kg']], [['sugar ', '3/4', 'tsp'], ['tomatoes', '1/2', 'each']]],\n    {'berries': ['3', 'tbsp']}],\n   [['grape', '2', 'kg'], ['sugar', '3/4', 'tsp'], ['tomato', '1/2', 'each']]],\n  ['repair check: -oes plural rule',\n   [[[['egg', '3/4', 'cup'], ['watercress', '1/2', 'tbsp']],\n     [['tomatoes', '1/3', 'tsp'], ['grape', '1/2', 'cup'], ['eggs', '1/2', 'tbsp'],\n      ['berries', '1/4', 'each']],\n     [['grape', '1/4', 'kg'], ['grapes', '1/3', 'tsp'], ['berry', '3', 'kg'], ['flour', '2', 'tbsp']]],\n    {'grapes': ['2', 'kg'], 'sugar ': ['2', 'each']}],\n   [['berry', '1/4', 'each'], ['berry', '3', 'kg'], ['egg', '25/32', 'cup'], ['flour', '2', 'tbsp'],\n    ['grape', '73/144', 'cup'], ['tomato', '1/3', 'tsp'], ['watercress', '3/2', 'tsp']]],\n  ['generated control 1',\n   [[[['berry', '1/4', 'tbsp'], ['tomatoes', '1/3', 'kg'], ['sugar ', '1', 'tbsp']],\n     [['potatoes', '1/2', 'cup'], ['berry', '3', 'kg']]],\n    {'watercress': ['1/3', 'each']}],\n   [['berry', '3', 'kg'], ['berry', '3/4', 'tsp'], ['potato', '1/2', 'cup'], ['sugar', '1', 'tbsp'],\n    ['tomato', '1000/3', 'g']]],\n  ['generated control 2',\n   [[[['sugar ', '3', 'g'], ['grape', '1/2', 'each'], ['sugar ', '1', 'cup'], ['egg', '3', 'each']],\n     [['peas', '4', 'kg'], ['peas', '3', 'kg'], ['berry', '3/4', 'cup']]],\n    {}],\n   [['berry', '3/4', 'cup'], ['egg', '3', 'each'], ['grape', '1/2', 'each'], ['pea', '7', 'kg'],\n    ['sugar', '3', 'g'], ['sugar', '1', 'cup']]],\n  ['generated control 3',\n   [[[['flour', '4', 'each'], ['berry', '1/2', 'kg'], ['watercress', '2', 'g']]],\n    {'berry': ['1', 'tbsp'], 'grapes': ['4', 'tbsp']}],\n   [['berry', '500', 'g'], ['flour', '4', 'each'], ['watercress', '2', 'g']]]],\n [['single recipe', [[[['flour', '1', 'cup']]], {}], [['flour', '1', 'cup']]],\n  ['merge plurals', [[[['tomatoes', '2', 'each']], [['Tomato', '1', 'each']]], {}],\n   [['tomato', '3', 'each']]],\n  ['pantry covers all', [[[['eggs', '2', 'each']]], {'egg': ['6', 'each']}], []],\n  ['regression: -oes plural rule',\n   [[[['peas', '1/2', 'each'], ['Tomato', '1', 'tsp'], ['tomatoes', '1', 'each'], ['flour', '1/3', 'tsp']]],\n    {'berry': ['3/4', 'tbsp'], 'watercress': ['1/2', 'tbsp']}],\n   [['flour', '1/3', 'tsp'], ['pea', '1/2', 'each'], ['tomato', '1', 'each'], ['tomato', '1', 'tsp']]],\n  ['repair check: -oes plural rule',\n   [[[['sugar ', '1/2', 'each'], ['grapes', '3', 'g']]], {'potatoes': ['1/4', 'each']}],\n   [['grape', '3', 'g'], ['sugar', '1/2', 'each']]],\n  ['generated control 1',\n   [[[['watercress', '1/3', 'cup'], ['berries', '2', 'cup'], ['sugar ', '1', 'cup']],\n     [['tomatoes', '1', 'each'], ['grapes', '1/3', 'each'], ['potatoes', '2', 'tbsp'], ['egg', '1', 'kg']],\n     [['sugar ', '3', 'kg'], ['Tomato', '3', 'g']]],\n    {'Tomato': ['1/2', 'tsp'], 'berry': ['1/2', 'kg']}],\n   [['berry', '2', 'cup'], ['egg', '1', 'kg'], ['grape', '1/3', 'each'], ['potato', '2', 'tbsp'],\n    ['sugar', '3', 'kg'], ['sugar', '1', 'cup'], ['tomato', '1', 'each'], ['tomato', '3', 'g'],\n    ['watercress', '1/3', 'cup']]],\n  ['generated control 2',\n   [[[['grape', '1/4', 'tsp'], ['egg', '2', 'each'], ['tomatoes', '3', 'each']], [['eggs', '2', 'tsp']],\n     [['berry', '4', 'each'], ['berries', '1', 'g'], ['watercress', '1/3', 'each'],\n      ['berries', '3/4', 'tbsp']]],\n    {}],\n   [['berry', '4', 'each'], ['berry', '1', 'g'], ['berry', '9/4', 'tsp'], ['egg', '2', 'each'],\n    ['egg', '2', 'tsp'], ['grape', '1/4', 'tsp'], ['tomato', '3', 'each'], ['watercress', '1/3', 'each']]],\n  ['generated control 3',\n   [[[['potatoes', '3', 'cup']], [['berry', '1/2', 'tsp'], ['Tomato', '1', 'tsp']]],\n    {'potatoes': ['1/3', 'cup']}],\n   [['berry', '1/2', 'tsp'], ['potato', '8/3', 'cup'], ['tomato', '1', 'tsp']]]]]\nfor label, args, expected in fixtures[N - 1]:\n    check(label, solve(*args), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"},"broken":{"sha256":"224cf928bc4a463fa0aabefa7839e17c623210a4017ad20948197188c23f7f59","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport math\nfrom fractions import Fraction\nN = 1\nobservations = []\ndef solve(recipes, pantry):\n    VOL = {'tsp': 1, 'tbsp': 3, 'cup': 48}\n    MASS = {'g': 1, 'kg': 1000}\n    def norm(n):\n        n = n.strip().lower()\n        if n.endswith('ies'):\n            return n[:-3] + 'y'\n        if n.endswith('s') and not n.endswith('ss'):\n            return n[:-1]\n        return n\n    def base(q, u):\n        if u in VOL:\n            return 'volume', Fraction(q) * VOL[u]\n        if u in MASS:\n            return 'mass', Fraction(q) * MASS[u]\n        return u, Fraction(q)\n    tot = {}\n    for recipe in recipes:\n        for name, q, u in recipe:\n            dim, v = base(q, u)\n            k = (norm(name), dim)\n            tot[k] = tot.get(k, 0) + v\n    for name, (q, u) in pantry.items():\n        dim, v = base(q, u)\n        pk = (norm(name), dim)\n        if pk in tot:\n            tot[pk] = max(Fraction(0), tot[pk] - v)\n    out = []\n    for (name, dim), v in sorted(tot.items()):\n        if v == 0:\n            continue\n        if dim == 'volume':\n            unit, v2 = ('cup', v / 48) if v >= 12 else ('tbsp', v / 3) if v >= 3 else ('tsp', v)\n        elif dim == 'mass':\n            unit, v2 = ('kg', v / 1000) if v >= 1000 else ('g', v)\n        else:\n            unit, v2 = dim, v\n        out.append([name, str(v2), unit])\n    return out\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[['single recipe', [[[['flour', '1', 'cup']]], {}], [['flour', '1', 'cup']]],\n  ['merge plurals', [[[['tomatoes', '2', 'each']], [['Tomato', '1', 'each']]], {}],\n   [['tomato', '3', 'each']]],\n  ['pantry covers all', [[[['eggs', '2', 'each']]], {'egg': ['6', 'each']}], []],\n  ['regression: -oes plural rule',\n   [[[['Tomato', '1/3', 'tsp'], ['flour', '1', 'kg'], ['tomatoes', '1/2', 'tsp'], ['grape', '3', 'each']],\n     [['Tomato', '2', 'g'], ['berry', '1/2', 'tsp'], ['flour', '4', 'tsp'], ['berry', '3/4', 'tsp']],\n     [['berry', '3/4', 'g'], ['eggs', '1/4', 'tbsp']]],\n    {'watercress': ['4', 'g']}],\n   [['berry', '3/4', 'g'], ['berry', '5/4', 'tsp'], ['egg', '3/4', 'tsp'], ['flour', '1', 'kg'],\n    ['flour', '4/3', 'tbsp'], ['grape', '3', 'each'], ['tomato', '2', 'g'], ['tomato', '5/6', 'tsp']]],\n  ['repair check: -oes plural rule',\n   [[[['grapes', '2', 'each'], ['berry', '2', 'kg'], ['Tomato', '1/4', 'g']],\n     [['grape', '2', 'cup'], ['watercress', '1/3', 'tbsp'], ['watercress', '1/4', 'tsp']]],\n    {'grape': ['3/4', 'tbsp']}],\n   [['berry', '2', 'kg'], ['grape', '2', 'each'], ['grape', '125/64', 'cup'], ['tomato', '1/4', 'g'],\n    ['watercress', '5/4', 'tsp']]],\n  ['generated control 1', [[[['Tomato', '3/4', 'tsp']]], {'berry': ['2', 'g'], 'egg': ['1/3', 'each']}],\n   [['tomato', '3/4', 'tsp']]],\n  ['generated control 2',\n   [[[['peas', '3', 'g'], ['potatoes', '4', 'tsp'], ['flour', '4', 'g'], ['eggs', '1/2', 'g']],\n     [['berry', '3/4', 'each'], ['watercress', '1/3', 'tsp'], ['egg', '1/4', 'each'],\n      ['grape', '1/2', 'tsp']],\n     [['berry', '1/3', 'tsp']]],\n    {'egg': ['3', 'tbsp'], 'eggs': ['3/4', 'g']}],\n   [['berry', '3/4', 'each'], ['berry', '1/3', 'tsp'], ['egg', '1/4', 'each'], ['flour', '4', 'g'],\n    ['grape', '1/2', 'tsp'], ['pea', '3', 'g'], ['potato', '4/3', 'tbsp'], ['watercress', '1/3', 'tsp']]],\n  ['generated control 3',\n   [[[['watercress', '1/2', 'cup'], ['potatoes', '4', 'tbsp'], ['watercress', '2', 'each']],\n     [['berry', '1/4', 'tbsp']], [['potatoes', '1/4', 'each'], ['watercress', '3/4', 'kg']]],\n    {}],\n   [['berry', '3/4', 'tsp'], ['potato', '1/4', 'each'], ['potato', '1/4', 'cup'], ['watercress', '2', 'each'],\n    ['watercress', '750', 'g'], ['watercress', '1/2', 'cup']]]],\n [['merge plurals', [[[['tomatoes', '2', 'each']], [['Tomato', '1', 'each']]], {}],\n   [['tomato', '3', 'each']]],\n  ['pantry covers all', [[[['eggs', '2', 'each']]], {'egg': ['6', 'each']}], []],\n  ['watercress keeps ss', [[[['watercress', '100', 'g']]], {}], [['watercress', '100', 'g']]],\n  ['regression: -oes plural rule',\n   [[[['grapes', '2', 'g']], [['potatoes', '1/4', 'kg']]], {'Tomato': ['1/2', 'tsp']}],\n   [['grape', '2', 'g'], ['potato', '250', 'g']]],\n  ['repair check: -oes plural rule',\n   [[[['grapes', '1/2', 'kg']], [['Tomato', '2', 'g']],\n     [['berry', '3/4', 'g'], ['tomatoes', '3', 'each'], ['grape', '1', 'tsp'], ['tomatoes', '3', 'cup']]],\n    {'eggs': ['1/4', 'g']}],\n   [['berry', '3/4', 'g'], ['grape', '500', 'g'], ['grape', '1', 'tsp'], ['tomato', '3', 'each'],\n    ['tomato', '2', 'g'], ['tomato', '3', 'cup']]],\n  ['generated control 1',\n   [[[['berries', '3', 'cup'], ['potatoes', '2', 'g'], ['Tomato', '3', 'tbsp'], ['Tomato', '1/4', 'cup']]],\n    {}],\n   [['berry', '3', 'cup'], ['potato', '2', 'g'], ['tomato', '7/16', 'cup']]],\n  ['generated control 2',\n   [[[['Tomato', '1/2', 'cup'], ['Tomato', '2', 'each'], ['sugar ', '2', 'tbsp'],\n      ['tomatoes', '1/4', 'each']],\n     [['peas', '3/4', 'kg'], ['berries', '2', 'each'], ['tomatoes', '3/4', 'kg']]],\n    {'flour': ['3', 'tbsp']}],\n   [['berry', '2', 'each'], ['pea', '750', 'g'], ['sugar', '2', 'tbsp'], ['tomato', '9/4', 'each'],\n    ['tomato', '750', 'g'], ['tomato', '1/2', 'cup']]],\n  ['generated control 3', [[[['flour', '3', 'g'], ['berry', '2', 'each']]], {'flour': ['1/2', 'cup']}],\n   [['berry', '2', 'each'], ['flour', '3', 'g']]]],\n [['pantry covers all', [[[['eggs', '2', 'each']]], {'egg': ['6', 'each']}], []],\n  ['watercress keeps ss', [[[['watercress', '100', 'g']]], {}], [['watercress', '100', 'g']]],\n  ['single recipe', [[[['flour', '1', 'cup']]], {}], [['flour', '1', 'cup']]],\n  ['regression: -oes plural rule',\n   [[[['flour', '2', 'tsp'], ['grapes', '3/4', 'kg'], ['watercress', '1/3', 'tsp']],\n     [['potatoes', '4', 'tsp'], ['egg', '3/4', 'tbsp'], ['eggs', '3/4', 'each'], ['grape', '1/4', 'tbsp']]],\n    {'flour': ['2', 'cup'], 'grape': ['1/4', 'tsp']}],\n   [['egg', '3/4', 'each'], ['egg', '9/4', 'tsp'], ['grape', '750', 'g'], ['grape', '1/2', 'tsp'],\n    ['potato', '4/3', 'tbsp'], ['watercress', '1/3', 'tsp']]],\n  ['repair check: -oes plural rule',\n   [[[['egg', '1/3', 'cup'], ['berries', '1/4', 'cup'], ['Tomato', '2', 'tsp']]],\n    {'grapes': ['1', 'tbsp'], 'watercress': ['1/3', 'tsp']}],\n   [['berry', '1/4', 'cup'], ['egg', '1/3', 'cup'], ['tomato', '2', 'tsp']]],\n  ['generated control 1',\n   [[[['potatoes', '1', 'each'], ['grape', '1/3', 'kg'], ['sugar ', '3', 'cup'], ['watercress', '1', 'each']],\n     [['flour', '4', 'tbsp']]],\n    {'flour': ['1', 'kg']}],\n   [['flour', '1/4', 'cup'], ['grape', '1000/3', 'g'], ['potato', '1', 'each'], ['sugar', '3', 'cup'],\n    ['watercress', '1', 'each']]],\n  ['generated control 2',\n   [[[['eggs', '1/4', 'kg'], ['grapes', '1/4', 'tbsp'], ['watercress', '4', 'cup']],\n     [['grape', '4', 'g'], ['flour', '3', 'each']]],\n    {'berry': ['1/4', 'tsp'], 'watercress': ['3/4', 'g']}],\n   [['egg', '250', 'g'], ['flour', '3', 'each'], ['grape', '4', 'g'], ['grape', '3/4', 'tsp'],\n    ['watercress', '4', 'cup']]],\n  ['generated control 3',\n   [[[['grapes', '1/3', 'g']], [['eggs', '1', 'each'], ['berries', '1/4', 'each']]],\n    {'egg': ['3/4', 'each'], 'watercress': ['1', 'cup']}],\n   [['berry', '1/4', 'each'], ['egg', '1/4', 'each'], ['grape', '1/3', 'g']]]],\n [['watercress keeps ss', [[[['watercress', '100', 'g']]], {}], [['watercress', '100', 'g']]],\n  ['single recipe', [[[['flour', '1', 'cup']]], {}], [['flour', '1', 'cup']]],\n  ['merge plurals', [[[['tomatoes', '2', 'each']], [['Tomato', '1', 'each']]], {}],\n   [['tomato', '3', 'each']]],\n  ['regression: -oes plural rule',\n   [[[['grape', '2', 'kg']], [['sugar ', '3/4', 'tsp'], ['tomatoes', '1/2', 'each']]],\n    {'berries': ['3', 'tbsp']}],\n   [['grape', '2', 'kg'], ['sugar', '3/4', 'tsp'], ['tomato', '1/2', 'each']]],\n  ['repair check: -oes plural rule',\n   [[[['egg', '3/4', 'cup'], ['watercress', '1/2', 'tbsp']],\n     [['tomatoes', '1/3', 'tsp'], ['grape', '1/2', 'cup'], ['eggs', '1/2', 'tbsp'],\n      ['berries', '1/4', 'each']],\n     [['grape', '1/4', 'kg'], ['grapes', '1/3', 'tsp'], ['berry', '3', 'kg'], ['flour', '2', 'tbsp']]],\n    {'grapes': ['2', 'kg'], 'sugar ': ['2', 'each']}],\n   [['berry', '1/4', 'each'], ['berry', '3', 'kg'], ['egg', '25/32', 'cup'], ['flour', '2', 'tbsp'],\n    ['grape', '73/144', 'cup'], ['tomato', '1/3', 'tsp'], ['watercress', '3/2', 'tsp']]],\n  ['generated control 1',\n   [[[['berry', '1/4', 'tbsp'], ['tomatoes', '1/3', 'kg'], ['sugar ', '1', 'tbsp']],\n     [['potatoes', '1/2', 'cup'], ['berry', '3', 'kg']]],\n    {'watercress': ['1/3', 'each']}],\n   [['berry', '3', 'kg'], ['berry', '3/4', 'tsp'], ['potato', '1/2', 'cup'], ['sugar', '1', 'tbsp'],\n    ['tomato', '1000/3', 'g']]],\n  ['generated control 2',\n   [[[['sugar ', '3', 'g'], ['grape', '1/2', 'each'], ['sugar ', '1', 'cup'], ['egg', '3', 'each']],\n     [['peas', '4', 'kg'], ['peas', '3', 'kg'], ['berry', '3/4', 'cup']]],\n    {}],\n   [['berry', '3/4', 'cup'], ['egg', '3', 'each'], ['grape', '1/2', 'each'], ['pea', '7', 'kg'],\n    ['sugar', '3', 'g'], ['sugar', '1', 'cup']]],\n  ['generated control 3',\n   [[[['flour', '4', 'each'], ['berry', '1/2', 'kg'], ['watercress', '2', 'g']]],\n    {'berry': ['1', 'tbsp'], 'grapes': ['4', 'tbsp']}],\n   [['berry', '500', 'g'], ['flour', '4', 'each'], ['watercress', '2', 'g']]]],\n [['single recipe', [[[['flour', '1', 'cup']]], {}], [['flour', '1', 'cup']]],\n  ['merge plurals', [[[['tomatoes', '2', 'each']], [['Tomato', '1', 'each']]], {}],\n   [['tomato', '3', 'each']]],\n  ['pantry covers all', [[[['eggs', '2', 'each']]], {'egg': ['6', 'each']}], []],\n  ['regression: -oes plural rule',\n   [[[['peas', '1/2', 'each'], ['Tomato', '1', 'tsp'], ['tomatoes', '1', 'each'], ['flour', '1/3', 'tsp']]],\n    {'berry': ['3/4', 'tbsp'], 'watercress': ['1/2', 'tbsp']}],\n   [['flour', '1/3', 'tsp'], ['pea', '1/2', 'each'], ['tomato', '1', 'each'], ['tomato', '1', 'tsp']]],\n  ['repair check: -oes plural rule',\n   [[[['sugar ', '1/2', 'each'], ['grapes', '3', 'g']]], {'potatoes': ['1/4', 'each']}],\n   [['grape', '3', 'g'], ['sugar', '1/2', 'each']]],\n  ['generated control 1',\n   [[[['watercress', '1/3', 'cup'], ['berries', '2', 'cup'], ['sugar ', '1', 'cup']],\n     [['tomatoes', '1', 'each'], ['grapes', '1/3', 'each'], ['potatoes', '2', 'tbsp'], ['egg', '1', 'kg']],\n     [['sugar ', '3', 'kg'], ['Tomato', '3', 'g']]],\n    {'Tomato': ['1/2', 'tsp'], 'berry': ['1/2', 'kg']}],\n   [['berry', '2', 'cup'], ['egg', '1', 'kg'], ['grape', '1/3', 'each'], ['potato', '2', 'tbsp'],\n    ['sugar', '3', 'kg'], ['sugar', '1', 'cup'], ['tomato', '1', 'each'], ['tomato', '3', 'g'],\n    ['watercress', '1/3', 'cup']]],\n  ['generated control 2',\n   [[[['grape', '1/4', 'tsp'], ['egg', '2', 'each'], ['tomatoes', '3', 'each']], [['eggs', '2', 'tsp']],\n     [['berry', '4', 'each'], ['berries', '1', 'g'], ['watercress', '1/3', 'each'],\n      ['berries', '3/4', 'tbsp']]],\n    {}],\n   [['berry', '4', 'each'], ['berry', '1', 'g'], ['berry', '9/4', 'tsp'], ['egg', '2', 'each'],\n    ['egg', '2', 'tsp'], ['grape', '1/4', 'tsp'], ['tomato', '3', 'each'], ['watercress', '1/3', 'each']]],\n  ['generated control 3',\n   [[[['potatoes', '3', 'cup']], [['berry', '1/2', 'tsp'], ['Tomato', '1', 'tsp']]],\n    {'potatoes': ['1/3', 'cup']}],\n   [['berry', '1/2', 'tsp'], ['potato', '8/3', 'cup'], ['tomato', '1', 'tsp']]]]]\nfor label, args, expected in fixtures[N - 1]:\n    check(label, solve(*args), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"},"fixed":{"sha256":"da3cf32ab4e267db5f6fe65bb549e3e466ea5991ed561ac7332aea78e269cc5d","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport math\nfrom fractions import Fraction\nN = 1\nobservations = []\ndef solve(recipes, pantry):\n    VOL = {'tsp': 1, 'tbsp': 3, 'cup': 48}\n    MASS = {'g': 1, 'kg': 1000}\n    def norm(n):\n        n = n.strip().lower()\n        if n.endswith('oes'):\n            return n[:-2]\n        if n.endswith('ies'):\n            return n[:-3] + 'y'\n        if n.endswith('s') and not n.endswith('ss'):\n            return n[:-1]\n        return n\n    def base(q, u):\n        if u in VOL:\n            return 'volume', Fraction(q) * VOL[u]\n        if u in MASS:\n            return 'mass', Fraction(q) * MASS[u]\n        return u, Fraction(q)\n    tot = {}\n    for recipe in recipes:\n        for name, q, u in recipe:\n            dim, v = base(q, u)\n            k = (norm(name), dim)\n            tot[k] = tot.get(k, 0) + v\n    for name, (q, u) in pantry.items():\n        dim, v = base(q, u)\n        pk = (norm(name), dim)\n        if pk in tot:\n            tot[pk] = max(Fraction(0), tot[pk] - v)\n    out = []\n    for (name, dim), v in sorted(tot.items()):\n        if v == 0:\n            continue\n        if dim == 'volume':\n            unit, v2 = ('cup', v / 48) if v >= 12 else ('tbsp', v / 3) if v >= 3 else ('tsp', v)\n        elif dim == 'mass':\n            unit, v2 = ('kg', v / 1000) if v >= 1000 else ('g', v)\n        else:\n            unit, v2 = dim, v\n        out.append([name, str(v2), unit])\n    return out\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[['single recipe', [[[['flour', '1', 'cup']]], {}], [['flour', '1', 'cup']]],\n  ['merge plurals', [[[['tomatoes', '2', 'each']], [['Tomato', '1', 'each']]], {}],\n   [['tomato', '3', 'each']]],\n  ['pantry covers all', [[[['eggs', '2', 'each']]], {'egg': ['6', 'each']}], []],\n  ['regression: -oes plural rule',\n   [[[['Tomato', '1/3', 'tsp'], ['flour', '1', 'kg'], ['tomatoes', '1/2', 'tsp'], ['grape', '3', 'each']],\n     [['Tomato', '2', 'g'], ['berry', '1/2', 'tsp'], ['flour', '4', 'tsp'], ['berry', '3/4', 'tsp']],\n     [['berry', '3/4', 'g'], ['eggs', '1/4', 'tbsp']]],\n    {'watercress': ['4', 'g']}],\n   [['berry', '3/4', 'g'], ['berry', '5/4', 'tsp'], ['egg', '3/4', 'tsp'], ['flour', '1', 'kg'],\n    ['flour', '4/3', 'tbsp'], ['grape', '3', 'each'], ['tomato', '2', 'g'], ['tomato', '5/6', 'tsp']]],\n  ['repair check: -oes plural rule',\n   [[[['grapes', '2', 'each'], ['berry', '2', 'kg'], ['Tomato', '1/4', 'g']],\n     [['grape', '2', 'cup'], ['watercress', '1/3', 'tbsp'], ['watercress', '1/4', 'tsp']]],\n    {'grape': ['3/4', 'tbsp']}],\n   [['berry', '2', 'kg'], ['grape', '2', 'each'], ['grape', '125/64', 'cup'], ['tomato', '1/4', 'g'],\n    ['watercress', '5/4', 'tsp']]],\n  ['generated control 1', [[[['Tomato', '3/4', 'tsp']]], {'berry': ['2', 'g'], 'egg': ['1/3', 'each']}],\n   [['tomato', '3/4', 'tsp']]],\n  ['generated control 2',\n   [[[['peas', '3', 'g'], ['potatoes', '4', 'tsp'], ['flour', '4', 'g'], ['eggs', '1/2', 'g']],\n     [['berry', '3/4', 'each'], ['watercress', '1/3', 'tsp'], ['egg', '1/4', 'each'],\n      ['grape', '1/2', 'tsp']],\n     [['berry', '1/3', 'tsp']]],\n    {'egg': ['3', 'tbsp'], 'eggs': ['3/4', 'g']}],\n   [['berry', '3/4', 'each'], ['berry', '1/3', 'tsp'], ['egg', '1/4', 'each'], ['flour', '4', 'g'],\n    ['grape', '1/2', 'tsp'], ['pea', '3', 'g'], ['potato', '4/3', 'tbsp'], ['watercress', '1/3', 'tsp']]],\n  ['generated control 3',\n   [[[['watercress', '1/2', 'cup'], ['potatoes', '4', 'tbsp'], ['watercress', '2', 'each']],\n     [['berry', '1/4', 'tbsp']], [['potatoes', '1/4', 'each'], ['watercress', '3/4', 'kg']]],\n    {}],\n   [['berry', '3/4', 'tsp'], ['potato', '1/4', 'each'], ['potato', '1/4', 'cup'], ['watercress', '2', 'each'],\n    ['watercress', '750', 'g'], ['watercress', '1/2', 'cup']]]],\n [['merge plurals', [[[['tomatoes', '2', 'each']], [['Tomato', '1', 'each']]], {}],\n   [['tomato', '3', 'each']]],\n  ['pantry covers all', [[[['eggs', '2', 'each']]], {'egg': ['6', 'each']}], []],\n  ['watercress keeps ss', [[[['watercress', '100', 'g']]], {}], [['watercress', '100', 'g']]],\n  ['regression: -oes plural rule',\n   [[[['grapes', '2', 'g']], [['potatoes', '1/4', 'kg']]], {'Tomato': ['1/2', 'tsp']}],\n   [['grape', '2', 'g'], ['potato', '250', 'g']]],\n  ['repair check: -oes plural rule',\n   [[[['grapes', '1/2', 'kg']], [['Tomato', '2', 'g']],\n     [['berry', '3/4', 'g'], ['tomatoes', '3', 'each'], ['grape', '1', 'tsp'], ['tomatoes', '3', 'cup']]],\n    {'eggs': ['1/4', 'g']}],\n   [['berry', '3/4', 'g'], ['grape', '500', 'g'], ['grape', '1', 'tsp'], ['tomato', '3', 'each'],\n    ['tomato', '2', 'g'], ['tomato', '3', 'cup']]],\n  ['generated control 1',\n   [[[['berries', '3', 'cup'], ['potatoes', '2', 'g'], ['Tomato', '3', 'tbsp'], ['Tomato', '1/4', 'cup']]],\n    {}],\n   [['berry', '3', 'cup'], ['potato', '2', 'g'], ['tomato', '7/16', 'cup']]],\n  ['generated control 2',\n   [[[['Tomato', '1/2', 'cup'], ['Tomato', '2', 'each'], ['sugar ', '2', 'tbsp'],\n      ['tomatoes', '1/4', 'each']],\n     [['peas', '3/4', 'kg'], ['berries', '2', 'each'], ['tomatoes', '3/4', 'kg']]],\n    {'flour': ['3', 'tbsp']}],\n   [['berry', '2', 'each'], ['pea', '750', 'g'], ['sugar', '2', 'tbsp'], ['tomato', '9/4', 'each'],\n    ['tomato', '750', 'g'], ['tomato', '1/2', 'cup']]],\n  ['generated control 3', [[[['flour', '3', 'g'], ['berry', '2', 'each']]], {'flour': ['1/2', 'cup']}],\n   [['berry', '2', 'each'], ['flour', '3', 'g']]]],\n [['pantry covers all', [[[['eggs', '2', 'each']]], {'egg': ['6', 'each']}], []],\n  ['watercress keeps ss', [[[['watercress', '100', 'g']]], {}], [['watercress', '100', 'g']]],\n  ['single recipe', [[[['flour', '1', 'cup']]], {}], [['flour', '1', 'cup']]],\n  ['regression: -oes plural rule',\n   [[[['flour', '2', 'tsp'], ['grapes', '3/4', 'kg'], ['watercress', '1/3', 'tsp']],\n     [['potatoes', '4', 'tsp'], ['egg', '3/4', 'tbsp'], ['eggs', '3/4', 'each'], ['grape', '1/4', 'tbsp']]],\n    {'flour': ['2', 'cup'], 'grape': ['1/4', 'tsp']}],\n   [['egg', '3/4', 'each'], ['egg', '9/4', 'tsp'], ['grape', '750', 'g'], ['grape', '1/2', 'tsp'],\n    ['potato', '4/3', 'tbsp'], ['watercress', '1/3', 'tsp']]],\n  ['repair check: -oes plural rule',\n   [[[['egg', '1/3', 'cup'], ['berries', '1/4', 'cup'], ['Tomato', '2', 'tsp']]],\n    {'grapes': ['1', 'tbsp'], 'watercress': ['1/3', 'tsp']}],\n   [['berry', '1/4', 'cup'], ['egg', '1/3', 'cup'], ['tomato', '2', 'tsp']]],\n  ['generated control 1',\n   [[[['potatoes', '1', 'each'], ['grape', '1/3', 'kg'], ['sugar ', '3', 'cup'], ['watercress', '1', 'each']],\n     [['flour', '4', 'tbsp']]],\n    {'flour': ['1', 'kg']}],\n   [['flour', '1/4', 'cup'], ['grape', '1000/3', 'g'], ['potato', '1', 'each'], ['sugar', '3', 'cup'],\n    ['watercress', '1', 'each']]],\n  ['generated control 2',\n   [[[['eggs', '1/4', 'kg'], ['grapes', '1/4', 'tbsp'], ['watercress', '4', 'cup']],\n     [['grape', '4', 'g'], ['flour', '3', 'each']]],\n    {'berry': ['1/4', 'tsp'], 'watercress': ['3/4', 'g']}],\n   [['egg', '250', 'g'], ['flour', '3', 'each'], ['grape', '4', 'g'], ['grape', '3/4', 'tsp'],\n    ['watercress', '4', 'cup']]],\n  ['generated control 3',\n   [[[['grapes', '1/3', 'g']], [['eggs', '1', 'each'], ['berries', '1/4', 'each']]],\n    {'egg': ['3/4', 'each'], 'watercress': ['1', 'cup']}],\n   [['berry', '1/4', 'each'], ['egg', '1/4', 'each'], ['grape', '1/3', 'g']]]],\n [['watercress keeps ss', [[[['watercress', '100', 'g']]], {}], [['watercress', '100', 'g']]],\n  ['single recipe', [[[['flour', '1', 'cup']]], {}], [['flour', '1', 'cup']]],\n  ['merge plurals', [[[['tomatoes', '2', 'each']], [['Tomato', '1', 'each']]], {}],\n   [['tomato', '3', 'each']]],\n  ['regression: -oes plural rule',\n   [[[['grape', '2', 'kg']], [['sugar ', '3/4', 'tsp'], ['tomatoes', '1/2', 'each']]],\n    {'berries': ['3', 'tbsp']}],\n   [['grape', '2', 'kg'], ['sugar', '3/4', 'tsp'], ['tomato', '1/2', 'each']]],\n  ['repair check: -oes plural rule',\n   [[[['egg', '3/4', 'cup'], ['watercress', '1/2', 'tbsp']],\n     [['tomatoes', '1/3', 'tsp'], ['grape', '1/2', 'cup'], ['eggs', '1/2', 'tbsp'],\n      ['berries', '1/4', 'each']],\n     [['grape', '1/4', 'kg'], ['grapes', '1/3', 'tsp'], ['berry', '3', 'kg'], ['flour', '2', 'tbsp']]],\n    {'grapes': ['2', 'kg'], 'sugar ': ['2', 'each']}],\n   [['berry', '1/4', 'each'], ['berry', '3', 'kg'], ['egg', '25/32', 'cup'], ['flour', '2', 'tbsp'],\n    ['grape', '73/144', 'cup'], ['tomato', '1/3', 'tsp'], ['watercress', '3/2', 'tsp']]],\n  ['generated control 1',\n   [[[['berry', '1/4', 'tbsp'], ['tomatoes', '1/3', 'kg'], ['sugar ', '1', 'tbsp']],\n     [['potatoes', '1/2', 'cup'], ['berry', '3', 'kg']]],\n    {'watercress': ['1/3', 'each']}],\n   [['berry', '3', 'kg'], ['berry', '3/4', 'tsp'], ['potato', '1/2', 'cup'], ['sugar', '1', 'tbsp'],\n    ['tomato', '1000/3', 'g']]],\n  ['generated control 2',\n   [[[['sugar ', '3', 'g'], ['grape', '1/2', 'each'], ['sugar ', '1', 'cup'], ['egg', '3', 'each']],\n     [['peas', '4', 'kg'], ['peas', '3', 'kg'], ['berry', '3/4', 'cup']]],\n    {}],\n   [['berry', '3/4', 'cup'], ['egg', '3', 'each'], ['grape', '1/2', 'each'], ['pea', '7', 'kg'],\n    ['sugar', '3', 'g'], ['sugar', '1', 'cup']]],\n  ['generated control 3',\n   [[[['flour', '4', 'each'], ['berry', '1/2', 'kg'], ['watercress', '2', 'g']]],\n    {'berry': ['1', 'tbsp'], 'grapes': ['4', 'tbsp']}],\n   [['berry', '500', 'g'], ['flour', '4', 'each'], ['watercress', '2', 'g']]]],\n [['single recipe', [[[['flour', '1', 'cup']]], {}], [['flour', '1', 'cup']]],\n  ['merge plurals', [[[['tomatoes', '2', 'each']], [['Tomato', '1', 'each']]], {}],\n   [['tomato', '3', 'each']]],\n  ['pantry covers all', [[[['eggs', '2', 'each']]], {'egg': ['6', 'each']}], []],\n  ['regression: -oes plural rule',\n   [[[['peas', '1/2', 'each'], ['Tomato', '1', 'tsp'], ['tomatoes', '1', 'each'], ['flour', '1/3', 'tsp']]],\n    {'berry': ['3/4', 'tbsp'], 'watercress': ['1/2', 'tbsp']}],\n   [['flour', '1/3', 'tsp'], ['pea', '1/2', 'each'], ['tomato', '1', 'each'], ['tomato', '1', 'tsp']]],\n  ['repair check: -oes plural rule',\n   [[[['sugar ', '1/2', 'each'], ['grapes', '3', 'g']]], {'potatoes': ['1/4', 'each']}],\n   [['grape', '3', 'g'], ['sugar', '1/2', 'each']]],\n  ['generated control 1',\n   [[[['watercress', '1/3', 'cup'], ['berries', '2', 'cup'], ['sugar ', '1', 'cup']],\n     [['tomatoes', '1', 'each'], ['grapes', '1/3', 'each'], ['potatoes', '2', 'tbsp'], ['egg', '1', 'kg']],\n     [['sugar ', '3', 'kg'], ['Tomato', '3', 'g']]],\n    {'Tomato': ['1/2', 'tsp'], 'berry': ['1/2', 'kg']}],\n   [['berry', '2', 'cup'], ['egg', '1', 'kg'], ['grape', '1/3', 'each'], ['potato', '2', 'tbsp'],\n    ['sugar', '3', 'kg'], ['sugar', '1', 'cup'], ['tomato', '1', 'each'], ['tomato', '3', 'g'],\n    ['watercress', '1/3', 'cup']]],\n  ['generated control 2',\n   [[[['grape', '1/4', 'tsp'], ['egg', '2', 'each'], ['tomatoes', '3', 'each']], [['eggs', '2', 'tsp']],\n     [['berry', '4', 'each'], ['berries', '1', 'g'], ['watercress', '1/3', 'each'],\n      ['berries', '3/4', 'tbsp']]],\n    {}],\n   [['berry', '4', 'each'], ['berry', '1', 'g'], ['berry', '9/4', 'tsp'], ['egg', '2', 'each'],\n    ['egg', '2', 'tsp'], ['grape', '1/4', 'tsp'], ['tomato', '3', 'each'], ['watercress', '1/3', 'each']]],\n  ['generated control 3',\n   [[[['potatoes', '3', 'cup']], [['berry', '1/2', 'tsp'], ['Tomato', '1', 'tsp']]],\n    {'potatoes': ['1/3', 'cup']}],\n   [['berry', '1/2', 'tsp'], ['potato', '8/3', 'cup'], ['tomato', '1', 'tsp']]]]]\nfor label, args, expected in fixtures[N - 1]:\n    check(label, solve(*args), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"}},"limitations":"A deterministic toy contract stated in full here; it is a bounded teaching model, not an authoritative reference or standards implementation. This reproducer isolates one failure mechanism. Results cover the supplied fixtures. Variants within a family share a test contract and should remain grouped when constructing evaluation splits. Related mechanisms with a shared evaluation_group must also remain together; these controlled models are not independent production incidents.","method":"Deterministic executable model with adversarial boundary fixtures.","provenance":{"created_by":"Failure Map","dependencies":"Python standard library","family":"w2-recipe_scaling_and_nutrition-shopping-list-oes-plural-rule","generated_at":"2026-09-29T14:52:29.097212+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Meal planners merge ingredient lists across recipes and subtract what is already in the pantry.","repair":"Drop \"es\" from \"-oes\" words.","root_cause":"Words ending \"-oes\" only lose the final s.","sha256":"48af0eae452e3edfbfbbd4b9ef2f553271e3c987d2853b16f8ff211bddee9c29","title":"Shopping list aggregator: -oes plural rule · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verification":{"attempt":{"elapsed_ms":45.63,"exit_code":1,"observations":[{"actual":[["flour","1","cup"]],"check":"single recipe","expected":[["flour","1","cup"]],"passed":true},{"actual":[["tomato","3","each"]],"check":"merge plurals","expected":[["tomato","3","each"]],"passed":true},{"actual":[],"check":"pantry covers all","expected":[],"passed":true},{"actual":[["berry","3/4","g"],["berry","5/4","tsp"],["egg","3/4","tsp"],["flour","1","kg"],["flour","4/3","tbsp"],["grape","3","each"],["tomato","2","g"],["tomato","5/6","tsp"]],"check":"regression: -oes plural rule","expected":[["berry","3/4","g"],["berry","5/4","tsp"],["egg","3/4","tsp"],["flour","1","kg"],["flour","4/3","tbsp"],["grape","3","each"],["tomato","2","g"],["tomato","5/6","tsp"]],"passed":true},{"actual":[["berry","2","kg"],["grap","2","each"],["grape","125/64","cup"],["tomato","1/4","g"],["watercress","5/4","tsp"]],"check":"repair check: -oes plural rule","expected":[["berry","2","kg"],["grape","2","each"],["grape","125/64","cup"],["tomato","1/4","g"],["watercress","5/4","tsp"]],"passed":false},{"actual":[["tomato","3/4","tsp"]],"check":"generated control 1","expected":[["tomato","3/4","tsp"]],"passed":true},{"actual":[["berry","3/4","each"],["berry","1/3","tsp"],["egg","1/4","each"],["flour","4","g"],["grape","1/2","tsp"],["pea","3","g"],["potato","4/3","tbsp"],["watercress","1/3","tsp"]],"check":"generated control 2","expected":[["berry","3/4","each"],["berry","1/3","tsp"],["egg","1/4","each"],["flour","4","g"],["grape","1/2","tsp"],["pea","3","g"],["potato","4/3","tbsp"],["watercress","1/3","tsp"]],"passed":true},{"actual":[["berry","3/4","tsp"],["potato","1/4","each"],["potato","1/4","cup"],["watercress","2","each"],["watercress","750","g"],["watercress","1/2","cup"]],"check":"generated control 3","expected":[["berry","3/4","tsp"],["potato","1/4","each"],["potato","1/4","cup"],["watercress","2","each"],["watercress","750","g"],["watercress","1/2","cup"]],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"single recipe\", \"actual\": [[\"flour\", \"1\", \"cup\"]], \"expected\": [[\"flour\", \"1\", \"cup\"]], \"passed\": true}, {\"check\": \"merge plurals\", \"actual\": [[\"tomato\", \"3\", \"each\"]], \"expected\": [[\"tomato\", \"3\", \"each\"]], \"passed\": true}, {\"check\": \"pantry covers all\", \"actual\": [], \"expected\": [], \"passed\": true}, {\"check\": \"regression: -oes plural rule\", \"actual\": [[\"berry\", \"3/4\", \"g\"], [\"berry\", \"5/4\", \"tsp\"], [\"egg\", \"3/4\", \"tsp\"], [\"flour\", \"1\", \"kg\"], [\"flour\", \"4/3\", \"tbsp\"], [\"grape\", \"3\", \"each\"], [\"tomato\", \"2\", \"g\"], [\"tomato\", \"5/6\", \"tsp\"]], \"expected\": [[\"berry\", \"3/4\", \"g\"], [\"berry\", \"5/4\", \"tsp\"], [\"egg\", \"3/4\", \"tsp\"], [\"flour\", \"1\", \"kg\"], [\"flour\", \"4/3\", \"tbsp\"], [\"grape\", \"3\", \"each\"], [\"tomato\", \"2\", \"g\"], [\"tomato\", \"5/6\", \"tsp\"]], \"passed\": true}, {\"check\": \"repair check: -oes plural rule\", \"actual\": [[\"berry\", \"2\", \"kg\"], [\"grap\", \"2\", \"each\"], [\"grape\", \"125/64\", \"cup\"], [\"tomato\", \"1/4\", \"g\"], [\"watercress\", \"5/4\", \"tsp\"]], \"expected\": [[\"berry\", \"2\", \"kg\"], [\"grape\", \"2\", \"each\"], [\"grape\", \"125/64\", \"cup\"], [\"tomato\", \"1/4\", \"g\"], [\"watercress\", \"5/4\", \"tsp\"]], \"passed\": false}, {\"check\": \"generated control 1\", \"actual\": [[\"tomato\", \"3/4\", \"tsp\"]], \"expected\": [[\"tomato\", \"3/4\", \"tsp\"]], \"passed\": true}, {\"check\": \"generated control 2\", \"actual\": [[\"berry\", \"3/4\", \"each\"], [\"berry\", \"1/3\", \"tsp\"], [\"egg\", \"1/4\", \"each\"], [\"flour\", \"4\", \"g\"], [\"grape\", \"1/2\", \"tsp\"], [\"pea\", \"3\", \"g\"], [\"potato\", \"4/3\", \"tbsp\"], [\"watercress\", \"1/3\", \"tsp\"]], \"expected\": [[\"berry\", \"3/4\", \"each\"], [\"berry\", \"1/3\", \"tsp\"], [\"egg\", \"1/4\", \"each\"], [\"flour\", \"4\", \"g\"], [\"grape\", \"1/2\", \"tsp\"], [\"pea\", \"3\", \"g\"], [\"potato\", \"4/3\", \"tbsp\"], [\"watercress\", \"1/3\", \"tsp\"]], \"passed\": true}, {\"check\": \"generated control 3\", \"actual\": [[\"berry\", \"3/4\", \"tsp\"], [\"potato\", \"1/4\", \"each\"], [\"potato\", \"1/4\", \"cup\"], [\"watercress\", \"2\", \"each\"], [\"watercress\", \"750\", \"g\"], [\"watercress\", \"1/2\", \"cup\"]], \"expected\": [[\"berry\", \"3/4\", \"tsp\"], [\"potato\", \"1/4\", \"each\"], [\"potato\", \"1/4\", \"cup\"], [\"watercress\", \"2\", \"each\"], [\"watercress\", \"750\", \"g\"], [\"watercress\", \"1/2\", \"cup\"]], \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":46.372,"exit_code":1,"observations":[{"actual":[["flour","1","cup"]],"check":"single recipe","expected":[["flour","1","cup"]],"passed":true},{"actual":[["tomato","1","each"],["tomatoe","2","each"]],"check":"merge plurals","expected":[["tomato","3","each"]],"passed":false},{"actual":[],"check":"pantry covers all","expected":[],"passed":true},{"actual":[["berry","3/4","g"],["berry","5/4","tsp"],["egg","3/4","tsp"],["flour","1","kg"],["flour","4/3","tbsp"],["grape","3","each"],["tomato","2","g"],["tomato","1/3","tsp"],["tomatoe","1/2","tsp"]],"check":"regression: -oes plural rule","expected":[["berry","3/4","g"],["berry","5/4","tsp"],["egg","3/4","tsp"],["flour","1","kg"],["flour","4/3","tbsp"],["grape","3","each"],["tomato","2","g"],["tomato","5/6","tsp"]],"passed":false},{"actual":[["berry","2","kg"],["grape","2","each"],["grape","125/64","cup"],["tomato","1/4","g"],["watercress","5/4","tsp"]],"check":"repair check: -oes plural rule","expected":[["berry","2","kg"],["grape","2","each"],["grape","125/64","cup"],["tomato","1/4","g"],["watercress","5/4","tsp"]],"passed":true},{"actual":[["tomato","3/4","tsp"]],"check":"generated control 1","expected":[["tomato","3/4","tsp"]],"passed":true},{"actual":[["berry","3/4","each"],["berry","1/3","tsp"],["egg","1/4","each"],["flour","4","g"],["grape","1/2","tsp"],["pea","3","g"],["potatoe","4/3","tbsp"],["watercress","1/3","tsp"]],"check":"generated control 2","expected":[["berry","3/4","each"],["berry","1/3","tsp"],["egg","1/4","each"],["flour","4","g"],["grape","1/2","tsp"],["pea","3","g"],["potato","4/3","tbsp"],["watercress","1/3","tsp"]],"passed":false},{"actual":[["berry","3/4","tsp"],["potatoe","1/4","each"],["potatoe","1/4","cup"],["watercress","2","each"],["watercress","750","g"],["watercress","1/2","cup"]],"check":"generated control 3","expected":[["berry","3/4","tsp"],["potato","1/4","each"],["potato","1/4","cup"],["watercress","2","each"],["watercress","750","g"],["watercress","1/2","cup"]],"passed":false}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"single recipe\", \"actual\": [[\"flour\", \"1\", \"cup\"]], \"expected\": [[\"flour\", \"1\", \"cup\"]], \"passed\": true}, {\"check\": \"merge plurals\", \"actual\": [[\"tomato\", \"1\", \"each\"], [\"tomatoe\", \"2\", \"each\"]], \"expected\": [[\"tomato\", \"3\", \"each\"]], \"passed\": false}, {\"check\": \"pantry covers all\", \"actual\": [], \"expected\": [], \"passed\": true}, {\"check\": \"regression: -oes plural rule\", \"actual\": [[\"berry\", \"3/4\", \"g\"], [\"berry\", \"5/4\", \"tsp\"], [\"egg\", \"3/4\", \"tsp\"], [\"flour\", \"1\", \"kg\"], [\"flour\", \"4/3\", \"tbsp\"], [\"grape\", \"3\", \"each\"], [\"tomato\", \"2\", \"g\"], [\"tomato\", \"1/3\", \"tsp\"], [\"tomatoe\", \"1/2\", \"tsp\"]], \"expected\": [[\"berry\", \"3/4\", \"g\"], [\"berry\", \"5/4\", \"tsp\"], [\"egg\", \"3/4\", \"tsp\"], [\"flour\", \"1\", \"kg\"], [\"flour\", \"4/3\", \"tbsp\"], [\"grape\", \"3\", \"each\"], [\"tomato\", \"2\", \"g\"], [\"tomato\", \"5/6\", \"tsp\"]], \"passed\": false}, {\"check\": \"repair check: -oes plural rule\", \"actual\": [[\"berry\", \"2\", \"kg\"], [\"grape\", \"2\", \"each\"], [\"grape\", \"125/64\", \"cup\"], [\"tomato\", \"1/4\", \"g\"], [\"watercress\", \"5/4\", \"tsp\"]], \"expected\": [[\"berry\", \"2\", \"kg\"], [\"grape\", \"2\", \"each\"], [\"grape\", \"125/64\", \"cup\"], [\"tomato\", \"1/4\", \"g\"], [\"watercress\", \"5/4\", \"tsp\"]], \"passed\": true}, {\"check\": \"generated control 1\", \"actual\": [[\"tomato\", \"3/4\", \"tsp\"]], \"expected\": [[\"tomato\", \"3/4\", \"tsp\"]], \"passed\": true}, {\"check\": \"generated control 2\", \"actual\": [[\"berry\", \"3/4\", \"each\"], [\"berry\", \"1/3\", \"tsp\"], [\"egg\", \"1/4\", \"each\"], [\"flour\", \"4\", \"g\"], [\"grape\", \"1/2\", \"tsp\"], [\"pea\", \"3\", \"g\"], [\"potatoe\", \"4/3\", \"tbsp\"], [\"watercress\", \"1/3\", \"tsp\"]], \"expected\": [[\"berry\", \"3/4\", \"each\"], [\"berry\", \"1/3\", \"tsp\"], [\"egg\", \"1/4\", \"each\"], [\"flour\", \"4\", \"g\"], [\"grape\", \"1/2\", \"tsp\"], [\"pea\", \"3\", \"g\"], [\"potato\", \"4/3\", \"tbsp\"], [\"watercress\", \"1/3\", \"tsp\"]], \"passed\": false}, {\"check\": \"generated control 3\", \"actual\": [[\"berry\", \"3/4\", \"tsp\"], [\"potatoe\", \"1/4\", \"each\"], [\"potatoe\", \"1/4\", \"cup\"], [\"watercress\", \"2\", \"each\"], [\"watercress\", \"750\", \"g\"], [\"watercress\", \"1/2\", \"cup\"]], \"expected\": [[\"berry\", \"3/4\", \"tsp\"], [\"potato\", \"1/4\", \"each\"], [\"potato\", \"1/4\", \"cup\"], [\"watercress\", \"2\", \"each\"], [\"watercress\", \"750\", \"g\"], [\"watercress\", \"1/2\", \"cup\"]], \"passed\": false}], \"passed\": false}\n"},"fixed":{"elapsed_ms":42.955,"exit_code":0,"observations":[{"actual":[["flour","1","cup"]],"check":"single recipe","expected":[["flour","1","cup"]],"passed":true},{"actual":[["tomato","3","each"]],"check":"merge plurals","expected":[["tomato","3","each"]],"passed":true},{"actual":[],"check":"pantry covers all","expected":[],"passed":true},{"actual":[["berry","3/4","g"],["berry","5/4","tsp"],["egg","3/4","tsp"],["flour","1","kg"],["flour","4/3","tbsp"],["grape","3","each"],["tomato","2","g"],["tomato","5/6","tsp"]],"check":"regression: -oes plural rule","expected":[["berry","3/4","g"],["berry","5/4","tsp"],["egg","3/4","tsp"],["flour","1","kg"],["flour","4/3","tbsp"],["grape","3","each"],["tomato","2","g"],["tomato","5/6","tsp"]],"passed":true},{"actual":[["berry","2","kg"],["grape","2","each"],["grape","125/64","cup"],["tomato","1/4","g"],["watercress","5/4","tsp"]],"check":"repair check: -oes plural rule","expected":[["berry","2","kg"],["grape","2","each"],["grape","125/64","cup"],["tomato","1/4","g"],["watercress","5/4","tsp"]],"passed":true},{"actual":[["tomato","3/4","tsp"]],"check":"generated control 1","expected":[["tomato","3/4","tsp"]],"passed":true},{"actual":[["berry","3/4","each"],["berry","1/3","tsp"],["egg","1/4","each"],["flour","4","g"],["grape","1/2","tsp"],["pea","3","g"],["potato","4/3","tbsp"],["watercress","1/3","tsp"]],"check":"generated control 2","expected":[["berry","3/4","each"],["berry","1/3","tsp"],["egg","1/4","each"],["flour","4","g"],["grape","1/2","tsp"],["pea","3","g"],["potato","4/3","tbsp"],["watercress","1/3","tsp"]],"passed":true},{"actual":[["berry","3/4","tsp"],["potato","1/4","each"],["potato","1/4","cup"],["watercress","2","each"],["watercress","750","g"],["watercress","1/2","cup"]],"check":"generated control 3","expected":[["berry","3/4","tsp"],["potato","1/4","each"],["potato","1/4","cup"],["watercress","2","each"],["watercress","750","g"],["watercress","1/2","cup"]],"passed":true}],"passed":true,"stderr":"","stdout":"{\"observations\": [{\"check\": \"single recipe\", \"actual\": [[\"flour\", \"1\", \"cup\"]], \"expected\": [[\"flour\", \"1\", \"cup\"]], \"passed\": true}, {\"check\": \"merge plurals\", \"actual\": [[\"tomato\", \"3\", \"each\"]], \"expected\": [[\"tomato\", \"3\", \"each\"]], \"passed\": true}, {\"check\": \"pantry covers all\", \"actual\": [], \"expected\": [], \"passed\": true}, {\"check\": \"regression: -oes plural rule\", \"actual\": [[\"berry\", \"3/4\", \"g\"], [\"berry\", \"5/4\", \"tsp\"], [\"egg\", \"3/4\", \"tsp\"], [\"flour\", \"1\", \"kg\"], [\"flour\", \"4/3\", \"tbsp\"], [\"grape\", \"3\", \"each\"], [\"tomato\", \"2\", \"g\"], [\"tomato\", \"5/6\", \"tsp\"]], \"expected\": [[\"berry\", \"3/4\", \"g\"], [\"berry\", \"5/4\", \"tsp\"], [\"egg\", \"3/4\", \"tsp\"], [\"flour\", \"1\", \"kg\"], [\"flour\", \"4/3\", \"tbsp\"], [\"grape\", \"3\", \"each\"], [\"tomato\", \"2\", \"g\"], [\"tomato\", \"5/6\", \"tsp\"]], \"passed\": true}, {\"check\": \"repair check: -oes plural rule\", \"actual\": [[\"berry\", \"2\", \"kg\"], [\"grape\", \"2\", \"each\"], [\"grape\", \"125/64\", \"cup\"], [\"tomato\", \"1/4\", \"g\"], [\"watercress\", \"5/4\", \"tsp\"]], \"expected\": [[\"berry\", \"2\", \"kg\"], [\"grape\", \"2\", \"each\"], [\"grape\", \"125/64\", \"cup\"], [\"tomato\", \"1/4\", \"g\"], [\"watercress\", \"5/4\", \"tsp\"]], \"passed\": true}, {\"check\": \"generated control 1\", \"actual\": [[\"tomato\", \"3/4\", \"tsp\"]], \"expected\": [[\"tomato\", \"3/4\", \"tsp\"]], \"passed\": true}, {\"check\": \"generated control 2\", \"actual\": [[\"berry\", \"3/4\", \"each\"], [\"berry\", \"1/3\", \"tsp\"], [\"egg\", \"1/4\", \"each\"], [\"flour\", \"4\", \"g\"], [\"grape\", \"1/2\", \"tsp\"], [\"pea\", \"3\", \"g\"], [\"potato\", \"4/3\", \"tbsp\"], [\"watercress\", \"1/3\", \"tsp\"]], \"expected\": [[\"berry\", \"3/4\", \"each\"], [\"berry\", \"1/3\", \"tsp\"], [\"egg\", \"1/4\", \"each\"], [\"flour\", \"4\", \"g\"], [\"grape\", \"1/2\", \"tsp\"], [\"pea\", \"3\", \"g\"], [\"potato\", \"4/3\", \"tbsp\"], [\"watercress\", \"1/3\", \"tsp\"]], \"passed\": true}, {\"check\": \"generated control 3\", \"actual\": [[\"berry\", \"3/4\", \"tsp\"], [\"potato\", \"1/4\", \"each\"], [\"potato\", \"1/4\", \"cup\"], [\"watercress\", \"2\", \"each\"], [\"watercress\", \"750\", \"g\"], [\"watercress\", \"1/2\", \"cup\"]], \"expected\": [[\"berry\", \"3/4\", \"tsp\"], [\"potato\", \"1/4\", \"each\"], [\"potato\", \"1/4\", \"cup\"], [\"watercress\", \"2\", \"each\"], [\"watercress\", \"750\", \"g\"], [\"watercress\", \"1/2\", \"cup\"]], \"passed\": true}], \"passed\": true}\n"}},"verified":true,"visibility":"public"}