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Sentence analysis
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Sentence
Span Details
ボランティア
volunteernoun
は
topic markergrammar
社会貢献
contribution to society; social contributionnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
一つ
one; for one thing; only; just; (not) even one; just (try it); a little; some kind of; one type ofnumeric, noun, adverb, no-adjective
だ。
plain copulagrammar