AnalyzerSentence analysis4SpansSentenceなんだかブルーだな。1000 character limitAnalyzeSentenceなんだかブルーだな。Span Detailsなんだかsomehow; kind of; a little-> 何だかadverbブルーblue (color); sad; down; bluenoun, no-adjectiveだplain copulagrammarな。sentence-ending emphasis or prohibition markergrammar