AnalyzerSentence analysis3SpansSentenceこれは何なんだ?1000 character limitAnalyzeSentenceこれは何なんなんだ?Span Detailsこれはas for this; this (topic); hey!; look here!; well!expression, interjection何なんwhatpronoun, prefixなんだ?explanatory emphasis-> のだ/んだgrammarReport an issue with this page