AnalyzerSentence analysis3SpansSentence重大な事故1000 character limitAnalyzeSentence重じゅう大だいな事じ故こSpan Details重じゅう大だいserious; important; significant; gravena-adjective, nounなadnominal form of the copula after a na-adjectivegrammar事じ故こaccident; incident; trouble; circumstances; reasonsnoun