AnalyzerSentence analysis3SpansSentenceオープンなシステム1000 character limitAnalyzeSentenceオープンなシステムSpan Detailsオープンopening; launch; open; frank; approachable; unrestrictednoun, suru verb, na-adjective, noun-modifyingなadnominal form of the copula after a na-adjectivegrammarシステムsystemnoun