AnalyzerSentence analysis5SpansSentence誰だかわからない1000 character limitAnalyzeSentence誰だれだかわからないSpan Details誰だれwhopronounだplain copulagrammar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