AnalyzerSentence analysis6SpansSentence死産の原因は不明だった。1000 character limitAnalyzeSentence死し産ざんの原げん因いんは不ふ明めいだった。Span Details死し産ざんstillbirthnoun, suru verb, no-adjectiveのpossession, attribution, nominalizer, or nominal linkergrammar原げん因いんcause; origin; sourcenoun, suru verbはtopic markergrammar不ふ明めいunclear; obscure; uncertain; unknown; unidentified; ignorance; lack of wisdomna-adjective, noun, suffixだった。past copulagrammar