A son can be vain.Logical formLearned from8 sentences. A science can be vain.Logical formLearned from8 sentences. A plea can be vain.Logical formLearned from8 sentences. A figure can be vain.Logical formLearned from8 sentences. A reason can be vain.Logical formLearned from8 sentences. An enterprise can be vain.Logical formLearned from8 sentences. A hunt can be vain.Logical formLearned from8 sentences. A hope can be vain without an end to violence.Logical formLearned from8 sentences. Resistance can be vain.Logical formLearned from8 sentences. An attitude can be vain.Logical formLearned from7 sentences. A personality can be vain.Logical formLearned from7 sentences. An emperor can be vain.Logical formLearned from7 sentences. Attempts can be vain.Logical formLearned from7 sentences. Entreaties can be vain.Logical formLearned from7 sentences. An effort can be vain.Logical formLearned from7 sentences.