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Sentence
Span Details
日本
Japannoun
では
contrastive で + は; then; well thengrammar
脊髄灰白質炎
poliomyelitis; polionoun
の
possession, attribution, nominalizer, or nominal linkergrammar
発生
occurrence; outbreak; emergence; generation; production; development; growth; ontogenynoun, suru verb
は
topic markergrammar
稀
rare; uncommon; seldomna-adjective
である。
formal copulagrammar