AnalyzerSentence analysis5SpansSentence彼は鉄道マニアだ。1000 character limitAnalyzeSentence彼かれは鉄てつ道どうマニアだ。Span Details彼かれhe; him; boyfriendpronounはtopic markergrammar鉄てつ道どうrailway; railroad; rail transportnounマニアenthusiast; fanatic; buff; mania; craze; enthusiasmnounだ。plain copulagrammar