AnalyzerSentence analysis3SpansSentence純情な青年1000 character limitAnalyzeSentence純じゅん情じょうな青せい年ねんSpan Details純じゅん情じょうpure heart; innocence; naivetynoun, na-adjectiveなadnominal form of the copula after a na-adjectivegrammar青せい年ねんyouth; young mannoun