AnalyzerSentence analysis4SpansSentence何者かわからない1000 character limitAnalyzeSentence何なに者ものかわからないSpan Details何なに者ものwho; what kind of personnounかquestion or alternative markergrammarわからunderstand; comprehend; grasp; become clear; be known; turn out; I know!; right?!-> 分かるgodan verb, interjectionないnegative auxiliarygrammar