AnalyzerSentence analysis6SpansSentence物理的な証拠が必要だ。1000 character limitAnalyzeSentence物ぶつ理り的てきな証しょう拠こが必ひつ要ようだ。Span Details物ぶつ理り的てきphysicalna-adjectiveなadnominal form of the copula after a na-adjectivegrammar証しょう拠こevidence; proofnounがsubject markergrammar必ひつ要ようnecessary; needed; essential; necessity; need; requirementna-adjective, nounだ。plain copulagrammar