AnalyzerSentence analysis5SpansSentence今日はなんだかブルーだ。1000 character limitAnalyzeSentence今日きょうはなんだかブルーだ。Span Details今日きょうtoday; this day; nowadays; these days; the present daynoun, adverbはtopic markergrammar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