AnalyzerSentence analysis3SpansSentence重大な任務1000 character limitAnalyzeSentence重じゅう大だいな任にん務む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任にん務むduty; mission; task; rolenoun