AnalyzerSentence analysis3SpansSentence人っ子一人いない1000 character limitAnalyzeSentence人ひとっ子こ一人ひとりいないSpan Details人ひとっ子こ一人ひとり(not) a single person; (not) a soulexpression, nounいbe; exist; stay; be ...-ing; have ...-ed; be ...-ed-> 居るichidan verb, auxiliaryないnegative auxiliarygrammar