AnalyzerSentence analysis5SpansSentence環境を汚染しない1000 character limitAnalyzeSentence環かん境きょうを汚お染せんしないSpan Details環かん境きょうenvironment; surroundings; circumstancesnounをobject markergrammar汚お染せんpollution; contaminationnoun, suru verbしlight/support verb with a noun or noun-like phrase-> するgrammarないnegative auxiliarygrammar