AnalyzerSentence analysis6SpansSentence厳密な定義が必要だ。1000 character limitAnalyzeSentence厳げん密みつな定てい義ぎが必ひつ要ようだ。Span Details厳げん密みつstrict; rigorous; precisena-adjectiveなadnominal form of the copula after a na-adjectivegrammar定てい義ぎdefinitionnoun, suru verbがsubject markergrammar必ひつ要ようnecessary; needed; essential; necessity; need; requirementna-adjective, nounだ。plain copulagrammar