AnalyzerSentence analysis6SpansSentence地球温暖化は深刻な環境問題だ。1000 character limitAnalyzeSentence地ち球きゅう温おん暖だん化かは深しん刻こくな環かん境きょう問もん題だいだ。Span Details地ち球きゅう温おん暖だん化かglobal warmingnounはtopic markergrammar深しん刻こくserious; severe; grave; acutena-adjective, nounなadnominal form of the copula after a na-adjectivegrammar環かん境きょう問もん題だいenvironmental problem; environmental issuenounだ。plain copulagrammar
