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Sentence analysis
8Spans
Sentence
Span Details
喫煙
smoking; tobacco usenoun, suru verb
による
by; due to; depending ongrammar
ニコチン中毒
nicotine poisoning; nicotine addiction; nicotinismnoun
は
topic markergrammar
深刻
serious; severe; grave; acutena-adjective, noun
な
adnominal form of the copula after a na-adjectivegrammar
問題
question; problem (on a test); problem; issue; matter; doubt; public discussion; controversy; trouble; difficulty; inconveniencenoun
だ。
plain copulagrammar