AnalyzerSentence analysis7SpansSentence彼は人工知能研究の第一人者だ。1000 character limitAnalyzeSentence彼かれは人じん工こう知ち能のう研けん究きゅうの第だい一いち人にん者しゃだ。Span Details彼かれhe; him; boyfriendpronounはtopic markergrammar人じん工こう知ち能のうartificial intelligence; AInoun研けん究きゅうresearch; study; investigationnoun, suru verbのpossession, attribution, nominalizer, or nominal linkergrammar第だい一いち人にん者しゃleading figure; foremost personnounだ。plain copulagrammar