AnalyzerSentence analysis3SpansSentence教訓的な手紙1000 character limitAnalyzeSentence教きょう訓くん的てきな手て紙がみSpan Details教きょう訓くん的てきinstructive; didacticna-adjectiveなadnominal form of the copula after a na-adjectivegrammar手て紙がみletter; notenoun