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Sentence analysis
5Spans
Sentence
Span Details
原因
cause; origin; sourcenoun, suru verb
は
topic markergrammar
まだ
still; as yet; (not) yet; more; still more; at least; comparatively; relatively; unfinished; incomplete; not yet done-> 未だadverb, na-adjective
不明
unclear; obscure; uncertain; unknown; unidentified; ignorance; lack of wisdomna-adjective, noun, suffix
です。
be; is; arecopula, auxiliary
出洲ですspit of land; sandspit