AnalyzerSentence analysis7SpansSentence煙が天井を黒ずませた。1000 character limitAnalyzeSentence煙けむりが天てん井じょうを黒くろずませた。Span Details煙けむりsmoke; fumesnounがsubject markergrammar天てん井じょうceiling; ceiling price; upper limitnounをobject markergrammar黒くろずまblacken; darken; become blackish-> 黒ずむgodan verbせcausative auxiliary-> せる/させるgrammarた。past tense or completed actiongrammar