AnalyzerSentence analysis3SpansSentence生産的な経済活動1000 character limitAnalyzeSentence生せい産さん的てきな経けい済ざい活かつ動どうSpan Details生せい産さん的てきproductive; constructive; meaningfulna-adjectiveなadnominal form of the copula after a na-adjectivegrammar経けい済ざい活かつ動どうeconomic activitynoun