AnalyzerSentence analysis6SpansSentence高齢の祖父は自然死だった。1000 character limitAnalyzeSentence高こう齢れいの祖そ父ふは自し然ぜん死しだった。Span Details高こう齢れいadvanced age; old agenoun, no-adjectiveのpossession, attribution, nominalizer, or nominal linkergrammar祖そ父ふgrandfather; old man; kyogen mask for an old man rolenounはtopic markergrammar自し然ぜん死しnatural death; dying of natural causesnounだった。past copulagrammar