FA-98018 / Training label alignment / Member archive
Sequence-level labels are taken from the first token · case 03
Sequence-level labels are taken from the first token.
Case contract
For each sequence of token class IDs, return its most frequent class; ties choose the numerically smallest class. Empty sequences return -1.
Why this case matters
A small deterministic training-data operation makes label ownership and ordering explicit.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| majority differs first | [1] | [2] | Failed |
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