AnalyzerSentence analysis6SpansSentence受動喫煙の防止が重要だ。1000 character limitAnalyzeSentence受じゅ動どう喫きつ煙えんの防ぼう止しが重じゅう要ようだ。Span Details受じゅ動どう喫きつ煙えんpassive smoking; second-hand smokingnounのpossession, attribution, nominalizer, or nominal linkergrammar防ぼう止しprevention; checknoun, noun suffix, suru verbがsubject markergrammar重じゅう要ようimportant; essential; significantna-adjectiveだ。plain copulagrammar