AnalyzerSentence analysis4SpansSentence風船が膨らんだ。1000 character limitAnalyzeSentence風ふう船せんが膨ふくらんだ。Span Details風ふう船せんballoon (toy or decoration); balloon (hot-air or gas)nounがsubject markergrammar膨ふくらんswell; expand; bulge; inflate-> 膨らむgodan verbだ。past tense or completed action-> たgrammar