AnalyzerSentence analysis6SpansSentence彼の研究分野は生物学です。1000 character limitAnalyzeSentence彼かれの研けん究きゅう分ぶん野やは生せい物ぶつ学がくです。Span Details彼かれhe; him; boyfriendpronounのpossession, attribution, nominalizer, or nominal linkergrammar研けん究きゅう分ぶん野やresearch area; field of researchnounはtopic markergrammar生せい物ぶつ学がくbiologynounです。be; is; arecopula, auxiliary出洲ですspit of land; sandspit