AnalyzerSentence analysis6SpansSentence環境問題は世界的な関心事だ。1000 character limitAnalyzeSentence環かん境きょう問もん題だいは世せ界かい的てきな関かん心しん事じだ。Span Details環かん境きょう問もん題だいenvironmental problem; environmental issuenounはtopic markergrammar世せ界かい的てきworldwide; global; international; world-famous; world-classna-adjectiveなadnominal form of the copula after a na-adjectivegrammar関かん心しん事じmatter of concern; matter of interestnounだ。plain copulagrammar