AnalyzerSentence analysis6SpansSentence初エッチの相手は誰だった?1000 character limitAnalyzeSentence初はつエッチの相あい手ては誰だれだった?Span Details初はつエッチlosing one's virginity; first-time sexnoun, suru verbのpossession, attribution, nominalizer, or nominal linkergrammar相あい手てcompanion; partner; company; other party; addressee; counterparty; opponent; rivalnounはtopic markergrammar誰だれwhopronounだった?past copulagrammar