AnalyzerSentence analysis6SpansSentence彼は純粋数学の研究者だ。1000 character limitAnalyzeSentence彼かれは純じゅん粋すい数すう学がくの研けん究きゅう者しゃだ。Span Details彼かれhe; him; boyfriendpronounはtopic markergrammar純じゅん粋すい数すう学がくpure mathematicsnounのpossession, attribution, nominalizer, or nominal linkergrammar研けん究きゅう者しゃresearchernounだ。plain copulagrammar