Train and Validation (14 each) are Japanese passages written in Japanese, ModelWritten
Anthropic, generator claude-sonnet-5-5; none sits in a Test group. Test is eight
one-sentence excerpts (Soseki, Kyoka, Akutagawa, Ogai, Arishima, Kenji, Kajii, Kunikida)
taken from the card ruby zips (cp932, ruby and the pipe marker dropped, NFC) and checked
verbatim against each card's XHTML file; licence strings keep 底本, 入力 and 校正 within
the store's 200-byte cap. Entities appended (keeper gains 番人; eight pd-* authors).
Items 1..28 and holdout:1..8 unchanged (digest pinned). Tests per language: counts,
provenance, Test public-domain only, no markup, panel round reads both languages, speaker
forms, recall 56, no Test text in any prompt.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
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