AnalyzerSentence analysis6SpansSentence機密書類を厳重に保管する。1000 character limitAnalyzeSentence機き密みつ書しょ類るいを厳げん重じゅうに保ほ管かんする。Span Details機き密みつ書しょ類るいclassified document; confidential documentnounをobject markergrammar厳げん重じゅうstrict; severe; stringent; rigorousna-adjective, nounにadverbial form after a na-adjectivegrammar保ほ管かんsafekeeping; storage; custodynoun, suru verbする。light/support verb with a noun or noun-like phrasegrammar