AnalyzerSentence analysis6SpansSentence祖母の手紙を代筆した。1000 character limitAnalyzeSentence祖そ母ぼの手て紙がみを代だい筆ひつした。Span Details祖そ母ぼgrandmothernounのpossession, attribution, nominalizer, or nominal linkergrammar手て紙がみletter; notenounをobject markergrammar代だい筆ひつwriting on someone's behalf; ghostwriting; amanuensisnoun, suru verbした。light/support verb with a noun or noun-like phrase-> するgrammar