AnalyzerSentence analysis5SpansSentence証券口座を開設する1000 character limitAnalyzeSentence証しょう券けん口こう座ざを開かい設せつするSpan Details証しょう券けんsecurity; bond; certificatenoun口こう座ざaccount; bank accountnounをobject markergrammar開かい設せつestablishment; opening; setting upnoun, suru verbするlight/support verb with a noun or noun-like phrasegrammar