AnalyzerSentence analysis6SpansSentence彼は宇宙航行の専門家だ。1000 character limitAnalyzeSentence彼かれは宇う宙ちゅう航こう行こうの専せん門もん家かだ。Span Details彼かれhe; him; boyfriendpronounはtopic markergrammar宇う宙ちゅう航こう行こうspace navigationnounのpossession, attribution, nominalizer, or nominal linkergrammar専せん門もん家かspecialist; expert; professionalnounだ。plain copulagrammar