AnalyzerSentence analysis4SpansSentenceこんな機会はそうそうない。1000 character limitAnalyzeSentenceこんな機き会かいはそうそうない。Span Detailsこんなthis sort of; this kind of; like this; suchpre-noun adjective機き会かいopportunity; chancenounはtopic markergrammarそうそうない。rare; uncommon; not often seen-> そうそう無いexpression, i-adjective