AnalyzerSentence analysis6SpansSentence正式な書類が必要です。1000 character limitAnalyzeSentence正せい式しきな書しょ類るいが必ひつ要ようです。Span Details正せい式しきformal; official; properna-adjective, nounなadnominal form of the copula after a na-adjectivegrammar書しょ類るいdocument; papersnounがsubject markergrammar必ひつ要ようnecessary; needed; essential; necessity; need; requirementna-adjective, nounです。be; is; arecopula, auxiliary出洲ですspit of land; sandspit