AnalyzerSentence analysis5SpansSentence確かな証拠がない。1000 character limitAnalyzeSentence確たしかな証しょう拠こがない。Span Details確たしかsure; certain; definite; reliable; trustworthy; accurate; if I remember correctly; if I'm not mistakenna-adjective, adverbなadnominal form of the copula after a na-adjectivegrammar証しょう拠こevidence; proofnounがsubject markergrammarない。emphatic suffixsuffix, i-adjective