AnalyzerSentence analysis4SpansSentence不可解な謎だ。1000 character limitAnalyzeSentence不ふ可か解かいな謎なぞだ。Span Details不ふ可か解かいincomprehensible; mysterious; inexplicablena-adjective, nounなadnominal form of the copula after a na-adjectivegrammar謎なぞriddle; puzzle; enigma; mystery; enigmatic; mysteriousnoun, no-adjectiveだ。plain copulagrammar