AnalyzerSentence analysis3SpansSentence不生産的な投資1000 character limitAnalyzeSentence不ふ生せい産さん的てきな投とう資しSpan Details不ふ生せい産さん的てきunproductive; unfruitfulna-adjectiveなadnominal form of the copula after a na-adjectivegrammar投とう資しinvestment; investingnoun, suru verb