AnalyzerSentence analysis4SpansSentenceなんとなく雨が降りそうだ。1000 character limitAnalyzeSentenceなんとなく雨あめが降ふりそうだ。Span Detailsなんとなくsomehow; for some reason; without knowing why-> 何となくadverb雨あめが降ふりto rain-> 雨が降るexpression, verbそうseems; looks like; appearsauxiliary, na-adjectiveだ。plain copulagrammar