{"abstract":"Watercress is listed as \"watercres\".","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":"A consonant-before-s rule still clips \"watercress\" and fails to singularize \"peas\".","family":"w2-recipe_scaling_and_nutrition-shopping-list-double-s-guard","id":"FA-97131","implementations":{"attempt":{"sha256":"eb32b8f9f4bf9fffefab3435f6e5b5158c87a5d0d59f7af880be4b0439c093b4","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 n[-2] not in 'aeiou':\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: double-s guard',\n   [[[['berries', '1/3', 'cup'], ['egg', '1/2', 'tbsp'], ['eggs', '2', 'tbsp']], [['berries', '3', 'g']],\n     [['Tomato', '1', 'cup'], ['sugar ', '2', 'kg'], ['berries', '1', 'tsp'], ['watercress', '3/4', 'cup']]],\n    {'egg': ['1/3', 'tbsp'], 'peas': ['4', 'tsp']}],\n   [['berry', '3', 'g'], ['berry', '17/48', 'cup'], ['egg', '13/6', 'tbsp'], ['sugar', '2', 'kg'],\n    ['tomato', '1', 'cup'], ['watercress', '3/4', 'cup']]],\n  ['repair check: double-s guard',\n   [[[['grape', '3', 'tbsp'], ['peas', '1/3', 'cup'], ['peas', '1/2', 'each']]],\n    {'potatoes': ['3/4', 'tsp']}],\n   [['grape', '3', 'tbsp'], ['pea', '1/2', 'each'], ['pea', '1/3', 'cup']]],\n  ['generated control 1', [[[['grapes', '2', 'kg'], ['potatoes', '1/3', 'tsp']]], {}],\n   [['grape', '2', 'kg'], ['potato', '1/3', 'tsp']]],\n  ['generated control 2',\n   [[[['tomatoes', '3/4', 'tsp'], ['grape', '4', 'g']],\n     [['grape', '1/4', 'g'], ['berries', '4', 'g'], ['flour', '1/2', 'kg']]],\n    {}],\n   [['berry', '4', 'g'], ['flour', '500', 'g'], ['grape', '17/4', 'g'], ['tomato', '3/4', 'tsp']]],\n  ['generated control 3',\n   [[[['potatoes', '1/4', 'tsp'], ['grape', '1/2', 'tbsp']],\n     [['sugar ', '3', 'tsp'], ['sugar ', '4', 'kg'], ['potatoes', '3', 'g'], ['potatoes', '1', 'g']],\n     [['Tomato', '1/4', 'g'], ['sugar ', '4', 'kg']]],\n    {}],\n   [['grape', '3/2', 'tsp'], ['potato', '4', 'g'], ['potato', '1/4', 'tsp'], ['sugar', '8', 'kg'],\n    ['sugar', '1', 'tbsp'], ['tomato', '1/4', 'g']]]],\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: double-s guard',\n   [[[['watercress', '1/2', 'tbsp'], ['flour', '1/3', 'g'], ['tomatoes', '3', 'tbsp']],\n     [['tomatoes', '1/2', 'g'], ['Tomato', '1', 'g'], ['egg', '3', 'g'], ['tomatoes', '1/3', 'cup']],\n     [['eggs', '1/4', 'kg'], ['flour', '1/3', 'tbsp']]],\n    {'tomatoes': ['1/4', 'g']}],\n   [['egg', '253', 'g'], ['flour', '1/3', 'g'], ['flour', '1', 'tsp'], ['tomato', '5/4', 'g'],\n    ['tomato', '25/48', 'cup'], ['watercress', '3/2', 'tsp']]],\n  ['repair check: double-s guard',\n   [[[['peas', '3', 'cup'], ['grape', '1', 'g']],\n     [['peas', '1/3', 'kg'], ['egg', '3/4', 'tbsp'], ['tomatoes', '3/4', 'tsp'], ['tomatoes', '4', 'tsp']],\n     [['flour', '2', 'tsp'], ['tomatoes', '1/2', 'cup'], ['potatoes', '1/4', 'cup'], ['flour', '4', 'kg']]],\n    {}],\n   [['egg', '9/4', 'tsp'], ['flour', '4', 'kg'], ['flour', '2', 'tsp'], ['grape', '1', 'g'],\n    ['pea', '1000/3', 'g'], ['pea', '3', 'cup'], ['potato', '1/4', 'cup'], ['tomato', '115/192', 'cup']]],\n  ['generated control 1', [[[['sugar ', '1/3', 'kg']]], {'berry': ['1/4', 'g'], 'sugar ': ['3', 'tbsp']}],\n   [['sugar', '1000/3', 'g']]],\n  ['generated control 2',\n   [[[['potatoes', '1/2', 'tbsp'], ['flour', '1/3', 'tsp']], [['peas', '3/4', 'kg']],\n     [['Tomato', '3', 'tbsp'], ['peas', '1/3', 'kg'], ['berries', '1/4', 'g']]],\n    {'peas': ['1/2', 'kg']}],\n   [['berry', '1/4', 'g'], ['flour', '1/3', 'tsp'], ['pea', '1750/3', 'g'], ['potato', '3/2', 'tsp'],\n    ['tomato', '3', 'tbsp']]],\n  ['generated control 3',\n   [[[['flour', '1/2', 'each']],\n     [['egg', '1/2', 'g'], ['eggs', '1', 'kg'], ['sugar ', '1/4', 'each'], ['Tomato', '4', 'tbsp']]],\n    {'berry': ['1/3', 'g'], 'potatoes': ['1/4', 'tbsp']}],\n   [['egg', '2001/2000', 'kg'], ['flour', '1/2', 'each'], ['sugar', '1/4', 'each'],\n    ['tomato', '1/4', 'cup']]]],\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: double-s guard',\n   [[[['eggs', '2', 'each']], [['watercress', '4', 'g'], ['peas', '1/2', 'tsp'], ['tomatoes', '1/2', 'kg']]],\n    {'peas': ['1/3', 'each']}],\n   [['egg', '2', 'each'], ['pea', '1/2', 'tsp'], ['tomato', '500', 'g'], ['watercress', '4', 'g']]],\n  ['repair check: double-s guard',\n   [[[['eggs', '4', 'tbsp'], ['potatoes', '1/2', 'kg'], ['sugar ', '3/4', 'tbsp']],\n     [['berry', '1/4', 'each']],\n     [['eggs', '4', 'each'], ['grape', '1', 'tsp'], ['peas', '1/4', 'tbsp'], ['egg', '1/4', 'kg']]],\n    {'watercress': ['1/3', 'each']}],\n   [['berry', '1/4', 'each'], ['egg', '4', 'each'], ['egg', '250', 'g'], ['egg', '1/4', 'cup'],\n    ['grape', '1', 'tsp'], ['pea', '3/4', 'tsp'], ['potato', '500', 'g'], ['sugar', '9/4', 'tsp']]],\n  ['generated control 1',\n   [[[['sugar ', '3', 'tsp'], ['egg', '2', 'tbsp']], [['egg', '1/2', 'each'], ['flour', '1', 'each']]],\n    {'eggs': ['3', 'g'], 'tomatoes': ['1', 'tsp']}],\n   [['egg', '1/2', 'each'], ['egg', '2', 'tbsp'], ['flour', '1', 'each'], ['sugar', '1', 'tbsp']]],\n  ['generated control 2',\n   [[[['grape', '3', 'tsp'], ['Tomato', '3/4', 'cup'], ['potatoes', '2', 'kg']],\n     [['watercress', '3/4', 'each'], ['Tomato', '3/4', 'tsp'], ['berries', '2', 'each'],\n      ['flour', '1', 'tbsp']],\n     [['egg', '1/2', 'g'], ['potatoes', '1/3', 'g']]],\n    {}],\n   [['berry', '2', 'each'], ['egg', '1/2', 'g'], ['flour', '1', 'tbsp'], ['grape', '1', 'tbsp'],\n    ['potato', '6001/3000', 'kg'], ['tomato', '49/64', 'cup'], ['watercress', '3/4', 'each']]],\n  ['generated control 3', [[[['watercress', '2', 'g'], ['eggs', '1', 'tbsp']]], {'potatoes': ['4', 'cup']}],\n   [['egg', '1', 'tbsp'], ['watercress', '2', '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: double-s guard',\n   [[[['watercress', '1/4', 'tbsp'], ['potatoes', '3', 'g'], ['egg', '1/4', 'tbsp']],\n     [['berry', '4', 'g'], ['egg', '4', 'each'], ['flour', '4', 'kg'], ['tomatoes', '3', 'g']],\n     [['tomatoes', '1/4', 'each'], ['potatoes', '2', 'each']]],\n    {}],\n   [['berry', '4', 'g'], ['egg', '4', 'each'], ['egg', '3/4', 'tsp'], ['flour', '4', 'kg'],\n    ['potato', '2', 'each'], ['potato', '3', 'g'], ['tomato', '1/4', 'each'], ['tomato', '3', 'g'],\n    ['watercress', '3/4', 'tsp']]],\n  ['repair check: double-s guard',\n   [[[['potatoes', '1', 'tbsp']],\n     [['egg', '1/3', 'cup'], ['eggs', '1/3', 'g'], ['grape', '1/2', 'g'], ['grapes', '1/3', 'kg']]],\n    {}],\n   [['egg', '1/3', 'g'], ['egg', '1/3', 'cup'], ['grape', '2003/6', 'g'], ['potato', '1', 'tbsp']]],\n  ['generated control 1',\n   [[[['eggs', '1/4', 'tsp'], ['tomatoes', '1', 'kg']], [['eggs', '1/3', 'each']]],\n    {'peas': ['4', 'g'], 'sugar ': ['1/4', 'each']}],\n   [['egg', '1/3', 'each'], ['egg', '1/4', 'tsp'], ['tomato', '1', 'kg']]],\n  ['generated control 2',\n   [[[['sugar ', '1/4', 'g'], ['Tomato', '2', 'tsp']]], {'berries': ['1/2', 'tbsp'], 'eggs': ['3', 'each']}],\n   [['sugar', '1/4', 'g'], ['tomato', '2', 'tsp']]],\n  ['generated control 3',\n   [[[['egg', '3/4', 'cup'], ['egg', '4', 'tbsp'], ['grapes', '1/2', 'tsp']]], {'flour': ['1', 'cup']}],\n   [['egg', '1', 'cup'], ['grape', '1/2', 'tsp']]]],\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: double-s guard',\n   [[[['potatoes', '3/4', 'tsp'], ['eggs', '2', 'each'], ['watercress', '1/2', 'each'], ['egg', '1', 'kg']]],\n    {'flour': ['3/4', 'tbsp']}],\n   [['egg', '2', 'each'], ['egg', '1', 'kg'], ['potato', '3/4', 'tsp'], ['watercress', '1/2', 'each']]],\n  ['repair check: double-s guard',\n   [[[['watercress', '3', 'kg'], ['flour', '4', 'tsp']], [['grapes', '1/2', 'tsp']]],\n    {'eggs': ['1', 'tbsp']}],\n   [['flour', '4/3', 'tbsp'], ['grape', '1/2', 'tsp'], ['watercress', '3', 'kg']]],\n  ['generated control 1', [[[['eggs', '3/4', 'kg']]], {}], [['egg', '750', 'g']]],\n  ['generated control 2', [[[['Tomato', '1/4', 'each']]], {}], [['tomato', '1/4', 'each']]],\n  ['generated control 3',\n   [[[['grape', '1', 'cup'], ['grape', '1', 'g'], ['Tomato', '1', 'g']],\n     [['berry', '4', 'g'], ['potatoes', '4', 'g']]],\n    {'watercress': ['1/3', 'tsp']}],\n   [['berry', '4', 'g'], ['grape', '1', 'g'], ['grape', '1', 'cup'], ['potato', '4', 'g'],\n    ['tomato', '1', 'g']]]]]\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":"2514a75a73e4becfc0f4e9dd454414de1c4ec8cc0b9eec5b700472bb983474ba","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'):\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: double-s guard',\n   [[[['berries', '1/3', 'cup'], ['egg', '1/2', 'tbsp'], ['eggs', '2', 'tbsp']], [['berries', '3', 'g']],\n     [['Tomato', '1', 'cup'], ['sugar ', '2', 'kg'], ['berries', '1', 'tsp'], ['watercress', '3/4', 'cup']]],\n    {'egg': ['1/3', 'tbsp'], 'peas': ['4', 'tsp']}],\n   [['berry', '3', 'g'], ['berry', '17/48', 'cup'], ['egg', '13/6', 'tbsp'], ['sugar', '2', 'kg'],\n    ['tomato', '1', 'cup'], ['watercress', '3/4', 'cup']]],\n  ['repair check: double-s guard',\n   [[[['grape', '3', 'tbsp'], ['peas', '1/3', 'cup'], ['peas', '1/2', 'each']]],\n    {'potatoes': ['3/4', 'tsp']}],\n   [['grape', '3', 'tbsp'], ['pea', '1/2', 'each'], ['pea', '1/3', 'cup']]],\n  ['generated control 1', [[[['grapes', '2', 'kg'], ['potatoes', '1/3', 'tsp']]], {}],\n   [['grape', '2', 'kg'], ['potato', '1/3', 'tsp']]],\n  ['generated control 2',\n   [[[['tomatoes', '3/4', 'tsp'], ['grape', '4', 'g']],\n     [['grape', '1/4', 'g'], ['berries', '4', 'g'], ['flour', '1/2', 'kg']]],\n    {}],\n   [['berry', '4', 'g'], ['flour', '500', 'g'], ['grape', '17/4', 'g'], ['tomato', '3/4', 'tsp']]],\n  ['generated control 3',\n   [[[['potatoes', '1/4', 'tsp'], ['grape', '1/2', 'tbsp']],\n     [['sugar ', '3', 'tsp'], ['sugar ', '4', 'kg'], ['potatoes', '3', 'g'], ['potatoes', '1', 'g']],\n     [['Tomato', '1/4', 'g'], ['sugar ', '4', 'kg']]],\n    {}],\n   [['grape', '3/2', 'tsp'], ['potato', '4', 'g'], ['potato', '1/4', 'tsp'], ['sugar', '8', 'kg'],\n    ['sugar', '1', 'tbsp'], ['tomato', '1/4', 'g']]]],\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: double-s guard',\n   [[[['watercress', '1/2', 'tbsp'], ['flour', '1/3', 'g'], ['tomatoes', '3', 'tbsp']],\n     [['tomatoes', '1/2', 'g'], ['Tomato', '1', 'g'], ['egg', '3', 'g'], ['tomatoes', '1/3', 'cup']],\n     [['eggs', '1/4', 'kg'], ['flour', '1/3', 'tbsp']]],\n    {'tomatoes': ['1/4', 'g']}],\n   [['egg', '253', 'g'], ['flour', '1/3', 'g'], ['flour', '1', 'tsp'], ['tomato', '5/4', 'g'],\n    ['tomato', '25/48', 'cup'], ['watercress', '3/2', 'tsp']]],\n  ['repair check: double-s guard',\n   [[[['peas', '3', 'cup'], ['grape', '1', 'g']],\n     [['peas', '1/3', 'kg'], ['egg', '3/4', 'tbsp'], ['tomatoes', '3/4', 'tsp'], ['tomatoes', '4', 'tsp']],\n     [['flour', '2', 'tsp'], ['tomatoes', '1/2', 'cup'], ['potatoes', '1/4', 'cup'], ['flour', '4', 'kg']]],\n    {}],\n   [['egg', '9/4', 'tsp'], ['flour', '4', 'kg'], ['flour', '2', 'tsp'], ['grape', '1', 'g'],\n    ['pea', '1000/3', 'g'], ['pea', '3', 'cup'], ['potato', '1/4', 'cup'], ['tomato', '115/192', 'cup']]],\n  ['generated control 1', [[[['sugar ', '1/3', 'kg']]], {'berry': ['1/4', 'g'], 'sugar ': ['3', 'tbsp']}],\n   [['sugar', '1000/3', 'g']]],\n  ['generated control 2',\n   [[[['potatoes', '1/2', 'tbsp'], ['flour', '1/3', 'tsp']], [['peas', '3/4', 'kg']],\n     [['Tomato', '3', 'tbsp'], ['peas', '1/3', 'kg'], ['berries', '1/4', 'g']]],\n    {'peas': ['1/2', 'kg']}],\n   [['berry', '1/4', 'g'], ['flour', '1/3', 'tsp'], ['pea', '1750/3', 'g'], ['potato', '3/2', 'tsp'],\n    ['tomato', '3', 'tbsp']]],\n  ['generated control 3',\n   [[[['flour', '1/2', 'each']],\n     [['egg', '1/2', 'g'], ['eggs', '1', 'kg'], ['sugar ', '1/4', 'each'], ['Tomato', '4', 'tbsp']]],\n    {'berry': ['1/3', 'g'], 'potatoes': ['1/4', 'tbsp']}],\n   [['egg', '2001/2000', 'kg'], ['flour', '1/2', 'each'], ['sugar', '1/4', 'each'],\n    ['tomato', '1/4', 'cup']]]],\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: double-s guard',\n   [[[['eggs', '2', 'each']], [['watercress', '4', 'g'], ['peas', '1/2', 'tsp'], ['tomatoes', '1/2', 'kg']]],\n    {'peas': ['1/3', 'each']}],\n   [['egg', '2', 'each'], ['pea', '1/2', 'tsp'], ['tomato', '500', 'g'], ['watercress', '4', 'g']]],\n  ['repair check: double-s guard',\n   [[[['eggs', '4', 'tbsp'], ['potatoes', '1/2', 'kg'], ['sugar ', '3/4', 'tbsp']],\n     [['berry', '1/4', 'each']],\n     [['eggs', '4', 'each'], ['grape', '1', 'tsp'], ['peas', '1/4', 'tbsp'], ['egg', '1/4', 'kg']]],\n    {'watercress': ['1/3', 'each']}],\n   [['berry', '1/4', 'each'], ['egg', '4', 'each'], ['egg', '250', 'g'], ['egg', '1/4', 'cup'],\n    ['grape', '1', 'tsp'], ['pea', '3/4', 'tsp'], ['potato', '500', 'g'], ['sugar', '9/4', 'tsp']]],\n  ['generated control 1',\n   [[[['sugar ', '3', 'tsp'], ['egg', '2', 'tbsp']], [['egg', '1/2', 'each'], ['flour', '1', 'each']]],\n    {'eggs': ['3', 'g'], 'tomatoes': ['1', 'tsp']}],\n   [['egg', '1/2', 'each'], ['egg', '2', 'tbsp'], ['flour', '1', 'each'], ['sugar', '1', 'tbsp']]],\n  ['generated control 2',\n   [[[['grape', '3', 'tsp'], ['Tomato', '3/4', 'cup'], ['potatoes', '2', 'kg']],\n     [['watercress', '3/4', 'each'], ['Tomato', '3/4', 'tsp'], ['berries', '2', 'each'],\n      ['flour', '1', 'tbsp']],\n     [['egg', '1/2', 'g'], ['potatoes', '1/3', 'g']]],\n    {}],\n   [['berry', '2', 'each'], ['egg', '1/2', 'g'], ['flour', '1', 'tbsp'], ['grape', '1', 'tbsp'],\n    ['potato', '6001/3000', 'kg'], ['tomato', '49/64', 'cup'], ['watercress', '3/4', 'each']]],\n  ['generated control 3', [[[['watercress', '2', 'g'], ['eggs', '1', 'tbsp']]], {'potatoes': ['4', 'cup']}],\n   [['egg', '1', 'tbsp'], ['watercress', '2', '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: double-s guard',\n   [[[['watercress', '1/4', 'tbsp'], ['potatoes', '3', 'g'], ['egg', '1/4', 'tbsp']],\n     [['berry', '4', 'g'], ['egg', '4', 'each'], ['flour', '4', 'kg'], ['tomatoes', '3', 'g']],\n     [['tomatoes', '1/4', 'each'], ['potatoes', '2', 'each']]],\n    {}],\n   [['berry', '4', 'g'], ['egg', '4', 'each'], ['egg', '3/4', 'tsp'], ['flour', '4', 'kg'],\n    ['potato', '2', 'each'], ['potato', '3', 'g'], ['tomato', '1/4', 'each'], ['tomato', '3', 'g'],\n    ['watercress', '3/4', 'tsp']]],\n  ['repair check: double-s guard',\n   [[[['potatoes', '1', 'tbsp']],\n     [['egg', '1/3', 'cup'], ['eggs', '1/3', 'g'], ['grape', '1/2', 'g'], ['grapes', '1/3', 'kg']]],\n    {}],\n   [['egg', '1/3', 'g'], ['egg', '1/3', 'cup'], ['grape', '2003/6', 'g'], ['potato', '1', 'tbsp']]],\n  ['generated control 1',\n   [[[['eggs', '1/4', 'tsp'], ['tomatoes', '1', 'kg']], [['eggs', '1/3', 'each']]],\n    {'peas': ['4', 'g'], 'sugar ': ['1/4', 'each']}],\n   [['egg', '1/3', 'each'], ['egg', '1/4', 'tsp'], ['tomato', '1', 'kg']]],\n  ['generated control 2',\n   [[[['sugar ', '1/4', 'g'], ['Tomato', '2', 'tsp']]], {'berries': ['1/2', 'tbsp'], 'eggs': ['3', 'each']}],\n   [['sugar', '1/4', 'g'], ['tomato', '2', 'tsp']]],\n  ['generated control 3',\n   [[[['egg', '3/4', 'cup'], ['egg', '4', 'tbsp'], ['grapes', '1/2', 'tsp']]], {'flour': ['1', 'cup']}],\n   [['egg', '1', 'cup'], ['grape', '1/2', 'tsp']]]],\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: double-s guard',\n   [[[['potatoes', '3/4', 'tsp'], ['eggs', '2', 'each'], ['watercress', '1/2', 'each'], ['egg', '1', 'kg']]],\n    {'flour': ['3/4', 'tbsp']}],\n   [['egg', '2', 'each'], ['egg', '1', 'kg'], ['potato', '3/4', 'tsp'], ['watercress', '1/2', 'each']]],\n  ['repair check: double-s guard',\n   [[[['watercress', '3', 'kg'], ['flour', '4', 'tsp']], [['grapes', '1/2', 'tsp']]],\n    {'eggs': ['1', 'tbsp']}],\n   [['flour', '4/3', 'tbsp'], ['grape', '1/2', 'tsp'], ['watercress', '3', 'kg']]],\n  ['generated control 1', [[[['eggs', '3/4', 'kg']]], {}], [['egg', '750', 'g']]],\n  ['generated control 2', [[[['Tomato', '1/4', 'each']]], {}], [['tomato', '1/4', 'each']]],\n  ['generated control 3',\n   [[[['grape', '1', 'cup'], ['grape', '1', 'g'], ['Tomato', '1', 'g']],\n     [['berry', '4', 'g'], ['potatoes', '4', 'g']]],\n    {'watercress': ['1/3', 'tsp']}],\n   [['berry', '4', 'g'], ['grape', '1', 'g'], ['grape', '1', 'cup'], ['potato', '4', 'g'],\n    ['tomato', '1', 'g']]]]]\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":"4dc0e7465f8114bc2638e7cd6c69a27f314fb818c30e3e320837ac52eed00391","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: double-s guard',\n   [[[['berries', '1/3', 'cup'], ['egg', '1/2', 'tbsp'], ['eggs', '2', 'tbsp']], [['berries', '3', 'g']],\n     [['Tomato', '1', 'cup'], ['sugar ', '2', 'kg'], ['berries', '1', 'tsp'], ['watercress', '3/4', 'cup']]],\n    {'egg': ['1/3', 'tbsp'], 'peas': ['4', 'tsp']}],\n   [['berry', '3', 'g'], ['berry', '17/48', 'cup'], ['egg', '13/6', 'tbsp'], ['sugar', '2', 'kg'],\n    ['tomato', '1', 'cup'], ['watercress', '3/4', 'cup']]],\n  ['repair check: double-s guard',\n   [[[['grape', '3', 'tbsp'], ['peas', '1/3', 'cup'], ['peas', '1/2', 'each']]],\n    {'potatoes': ['3/4', 'tsp']}],\n   [['grape', '3', 'tbsp'], ['pea', '1/2', 'each'], ['pea', '1/3', 'cup']]],\n  ['generated control 1', [[[['grapes', '2', 'kg'], ['potatoes', '1/3', 'tsp']]], {}],\n   [['grape', '2', 'kg'], ['potato', '1/3', 'tsp']]],\n  ['generated control 2',\n   [[[['tomatoes', '3/4', 'tsp'], ['grape', '4', 'g']],\n     [['grape', '1/4', 'g'], ['berries', '4', 'g'], ['flour', '1/2', 'kg']]],\n    {}],\n   [['berry', '4', 'g'], ['flour', '500', 'g'], ['grape', '17/4', 'g'], ['tomato', '3/4', 'tsp']]],\n  ['generated control 3',\n   [[[['potatoes', '1/4', 'tsp'], ['grape', '1/2', 'tbsp']],\n     [['sugar ', '3', 'tsp'], ['sugar ', '4', 'kg'], ['potatoes', '3', 'g'], ['potatoes', '1', 'g']],\n     [['Tomato', '1/4', 'g'], ['sugar ', '4', 'kg']]],\n    {}],\n   [['grape', '3/2', 'tsp'], ['potato', '4', 'g'], ['potato', '1/4', 'tsp'], ['sugar', '8', 'kg'],\n    ['sugar', '1', 'tbsp'], ['tomato', '1/4', 'g']]]],\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: double-s guard',\n   [[[['watercress', '1/2', 'tbsp'], ['flour', '1/3', 'g'], ['tomatoes', '3', 'tbsp']],\n     [['tomatoes', '1/2', 'g'], ['Tomato', '1', 'g'], ['egg', '3', 'g'], ['tomatoes', '1/3', 'cup']],\n     [['eggs', '1/4', 'kg'], ['flour', '1/3', 'tbsp']]],\n    {'tomatoes': ['1/4', 'g']}],\n   [['egg', '253', 'g'], ['flour', '1/3', 'g'], ['flour', '1', 'tsp'], ['tomato', '5/4', 'g'],\n    ['tomato', '25/48', 'cup'], ['watercress', '3/2', 'tsp']]],\n  ['repair check: double-s guard',\n   [[[['peas', '3', 'cup'], ['grape', '1', 'g']],\n     [['peas', '1/3', 'kg'], ['egg', '3/4', 'tbsp'], ['tomatoes', '3/4', 'tsp'], ['tomatoes', '4', 'tsp']],\n     [['flour', '2', 'tsp'], ['tomatoes', '1/2', 'cup'], ['potatoes', '1/4', 'cup'], ['flour', '4', 'kg']]],\n    {}],\n   [['egg', '9/4', 'tsp'], ['flour', '4', 'kg'], ['flour', '2', 'tsp'], ['grape', '1', 'g'],\n    ['pea', '1000/3', 'g'], ['pea', '3', 'cup'], ['potato', '1/4', 'cup'], ['tomato', '115/192', 'cup']]],\n  ['generated control 1', [[[['sugar ', '1/3', 'kg']]], {'berry': ['1/4', 'g'], 'sugar ': ['3', 'tbsp']}],\n   [['sugar', '1000/3', 'g']]],\n  ['generated control 2',\n   [[[['potatoes', '1/2', 'tbsp'], ['flour', '1/3', 'tsp']], [['peas', '3/4', 'kg']],\n     [['Tomato', '3', 'tbsp'], ['peas', '1/3', 'kg'], ['berries', '1/4', 'g']]],\n    {'peas': ['1/2', 'kg']}],\n   [['berry', '1/4', 'g'], ['flour', '1/3', 'tsp'], ['pea', '1750/3', 'g'], ['potato', '3/2', 'tsp'],\n    ['tomato', '3', 'tbsp']]],\n  ['generated control 3',\n   [[[['flour', '1/2', 'each']],\n     [['egg', '1/2', 'g'], ['eggs', '1', 'kg'], ['sugar ', '1/4', 'each'], ['Tomato', '4', 'tbsp']]],\n    {'berry': ['1/3', 'g'], 'potatoes': ['1/4', 'tbsp']}],\n   [['egg', '2001/2000', 'kg'], ['flour', '1/2', 'each'], ['sugar', '1/4', 'each'],\n    ['tomato', '1/4', 'cup']]]],\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: double-s guard',\n   [[[['eggs', '2', 'each']], [['watercress', '4', 'g'], ['peas', '1/2', 'tsp'], ['tomatoes', '1/2', 'kg']]],\n    {'peas': ['1/3', 'each']}],\n   [['egg', '2', 'each'], ['pea', '1/2', 'tsp'], ['tomato', '500', 'g'], ['watercress', '4', 'g']]],\n  ['repair check: double-s guard',\n   [[[['eggs', '4', 'tbsp'], ['potatoes', '1/2', 'kg'], ['sugar ', '3/4', 'tbsp']],\n     [['berry', '1/4', 'each']],\n     [['eggs', '4', 'each'], ['grape', '1', 'tsp'], ['peas', '1/4', 'tbsp'], ['egg', '1/4', 'kg']]],\n    {'watercress': ['1/3', 'each']}],\n   [['berry', '1/4', 'each'], ['egg', '4', 'each'], ['egg', '250', 'g'], ['egg', '1/4', 'cup'],\n    ['grape', '1', 'tsp'], ['pea', '3/4', 'tsp'], ['potato', '500', 'g'], ['sugar', '9/4', 'tsp']]],\n  ['generated control 1',\n   [[[['sugar ', '3', 'tsp'], ['egg', '2', 'tbsp']], [['egg', '1/2', 'each'], ['flour', '1', 'each']]],\n    {'eggs': ['3', 'g'], 'tomatoes': ['1', 'tsp']}],\n   [['egg', '1/2', 'each'], ['egg', '2', 'tbsp'], ['flour', '1', 'each'], ['sugar', '1', 'tbsp']]],\n  ['generated control 2',\n   [[[['grape', '3', 'tsp'], ['Tomato', '3/4', 'cup'], ['potatoes', '2', 'kg']],\n     [['watercress', '3/4', 'each'], ['Tomato', '3/4', 'tsp'], ['berries', '2', 'each'],\n      ['flour', '1', 'tbsp']],\n     [['egg', '1/2', 'g'], ['potatoes', '1/3', 'g']]],\n    {}],\n   [['berry', '2', 'each'], ['egg', '1/2', 'g'], ['flour', '1', 'tbsp'], ['grape', '1', 'tbsp'],\n    ['potato', '6001/3000', 'kg'], ['tomato', '49/64', 'cup'], ['watercress', '3/4', 'each']]],\n  ['generated control 3', [[[['watercress', '2', 'g'], ['eggs', '1', 'tbsp']]], {'potatoes': ['4', 'cup']}],\n   [['egg', '1', 'tbsp'], ['watercress', '2', '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: double-s guard',\n   [[[['watercress', '1/4', 'tbsp'], ['potatoes', '3', 'g'], ['egg', '1/4', 'tbsp']],\n     [['berry', '4', 'g'], ['egg', '4', 'each'], ['flour', '4', 'kg'], ['tomatoes', '3', 'g']],\n     [['tomatoes', '1/4', 'each'], ['potatoes', '2', 'each']]],\n    {}],\n   [['berry', '4', 'g'], ['egg', '4', 'each'], ['egg', '3/4', 'tsp'], ['flour', '4', 'kg'],\n    ['potato', '2', 'each'], ['potato', '3', 'g'], ['tomato', '1/4', 'each'], ['tomato', '3', 'g'],\n    ['watercress', '3/4', 'tsp']]],\n  ['repair check: double-s guard',\n   [[[['potatoes', '1', 'tbsp']],\n     [['egg', '1/3', 'cup'], ['eggs', '1/3', 'g'], ['grape', '1/2', 'g'], ['grapes', '1/3', 'kg']]],\n    {}],\n   [['egg', '1/3', 'g'], ['egg', '1/3', 'cup'], ['grape', '2003/6', 'g'], ['potato', '1', 'tbsp']]],\n  ['generated control 1',\n   [[[['eggs', '1/4', 'tsp'], ['tomatoes', '1', 'kg']], [['eggs', '1/3', 'each']]],\n    {'peas': ['4', 'g'], 'sugar ': ['1/4', 'each']}],\n   [['egg', '1/3', 'each'], ['egg', '1/4', 'tsp'], ['tomato', '1', 'kg']]],\n  ['generated control 2',\n   [[[['sugar ', '1/4', 'g'], ['Tomato', '2', 'tsp']]], {'berries': ['1/2', 'tbsp'], 'eggs': ['3', 'each']}],\n   [['sugar', '1/4', 'g'], ['tomato', '2', 'tsp']]],\n  ['generated control 3',\n   [[[['egg', '3/4', 'cup'], ['egg', '4', 'tbsp'], ['grapes', '1/2', 'tsp']]], {'flour': ['1', 'cup']}],\n   [['egg', '1', 'cup'], ['grape', '1/2', 'tsp']]]],\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: double-s guard',\n   [[[['potatoes', '3/4', 'tsp'], ['eggs', '2', 'each'], ['watercress', '1/2', 'each'], ['egg', '1', 'kg']]],\n    {'flour': ['3/4', 'tbsp']}],\n   [['egg', '2', 'each'], ['egg', '1', 'kg'], ['potato', '3/4', 'tsp'], ['watercress', '1/2', 'each']]],\n  ['repair check: double-s guard',\n   [[[['watercress', '3', 'kg'], ['flour', '4', 'tsp']], [['grapes', '1/2', 'tsp']]],\n    {'eggs': ['1', 'tbsp']}],\n   [['flour', '4/3', 'tbsp'], ['grape', '1/2', 'tsp'], ['watercress', '3', 'kg']]],\n  ['generated control 1', [[[['eggs', '3/4', 'kg']]], {}], [['egg', '750', 'g']]],\n  ['generated control 2', [[[['Tomato', '1/4', 'each']]], {}], [['tomato', '1/4', 'each']]],\n  ['generated control 3',\n   [[[['grape', '1', 'cup'], ['grape', '1', 'g'], ['Tomato', '1', 'g']],\n     [['berry', '4', 'g'], ['potatoes', '4', 'g']]],\n    {'watercress': ['1/3', 'tsp']}],\n   [['berry', '4', 'g'], ['grape', '1', 'g'], ['grape', '1', 'cup'], ['potato', '4', 'g'],\n    ['tomato', '1', 'g']]]]]\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-double-s-guard","generated_at":"2026-09-29T14:52:29.142569+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":"Keep words ending in \"ss\" unchanged.","root_cause":"The singularizer strips the s from words ending in \"ss\".","sha256":"47754f0fb91333a6e99adf45332ad2456b3ece8d9b392ec4836bb0f72f28a6f4","title":"Shopping list aggregator: double-s guard · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verification":{"attempt":{"elapsed_ms":45.871,"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","g"],["berry","17/48","cup"],["egg","13/6","tbsp"],["sugar","2","kg"],["tomato","1","cup"],["watercres","3/4","cup"]],"check":"regression: double-s guard","expected":[["berry","3","g"],["berry","17/48","cup"],["egg","13/6","tbsp"],["sugar","2","kg"],["tomato","1","cup"],["watercress","3/4","cup"]],"passed":false},{"actual":[["grape","3","tbsp"],["peas","1/2","each"],["peas","1/3","cup"]],"check":"repair check: double-s guard","expected":[["grape","3","tbsp"],["pea","1/2","each"],["pea","1/3","cup"]],"passed":false},{"actual":[["grapes","2","kg"],["potato","1/3","tsp"]],"check":"generated control 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