AnalyzerSentence analysis4SpansSentence平然としている1000 character limitAnalyzeSentence平へい然ぜんとしているSpan Details平へい然ぜんcalm; composed; unruffledtaru-adjective, adverbとquotation, conditional, companion, or and markergrammarしlight/support verb with a noun or noun-like phrase-> するgrammarているongoing or resultant stategrammar