AnalyzerSentence analysis6SpansSentence数学は彼の得意中の得意だ。1000 character limitAnalyzeSentence数すう学がくは彼かれの得とく意い中ちゅうの得とく意いだ。Span Details数すう学がくmathematicsnounはtopic markergrammar彼かれhe; him; boyfriendpronounのpossession, attribution, nominalizer, or nominal linkergrammar得とく意い中ちゅうの得とく意いone's greatest strength; what one is best atexpression, nounだ。plain copulagrammar