AnalyzerSentence analysis6SpansSentence実証的な研究が必要だ。1000 character limitAnalyzeSentence実じっ証しょう的てきな研けん究きゅうが必ひつ要ようだ。Span Details実じっ証しょう的てきempirical; evidence-basedna-adjectiveなadnominal form of the copula after a na-adjectivegrammar研けん究きゅうresearch; study; investigationnoun, suru verbがsubject markergrammar必ひつ要ようnecessary; needed; essential; necessity; need; requirementna-adjective, nounだ。plain copulagrammar
