AnalyzerSentence analysis4SpansSentence海が穏やかだ。1000 character limitAnalyzeSentence海うみが穏おだやかだ。Span Details海うみsea; ocean; watersnounがsubject markergrammar穏おだやかcalm; quiet; gentle; peaceful; mild; moderate; reasonable; amicablena-adjectiveだ。plain copulagrammar