AnalyzerSentence analysis6SpansSentence二酸化炭素は代表的な温暖化ガスだ。1000 character limitAnalyzeSentence二に酸さん化か炭たん素そは代だい表ひょう的てきな温おん暖だん化かガスだ。Span Details二に酸さん化か炭たん素そcarbon dioxide; CO2nounはtopic markergrammar代だい表ひょう的てきrepresentative; exemplary; modelna-adjectiveなadnominal form of the copula after a na-adjectivegrammar温おん暖だん化かガスgreenhouse gas; heat-trapping gasnounだ。plain copulagrammar