AnalyzerSentence analysis6SpansSentence品質が低下し始めた。1000 character limitAnalyzeSentence品ひん質しつが低てい下かし始はじめた。Span Details品ひん質しつqualitynounがsubject markergrammar低てい下かfall; decline; drop; deteriorationnoun, suru verbしlight/support verb with a noun or noun-like phrase-> するgrammar始はじめstart; begin; commence; start up; open; establish; start to ...; begin to ...-> 始めるichidan verb, auxiliaryた。past tense or completed actiongrammar