An idea can be vain.Logical formLearned from3 sentences. Weathercocks can be vain.Logical formLearned from3 sentences. Conjectures can be vain.Logical formLearned from3 sentences. A modesty can be vain.Logical formLearned from3 sentences. An imitation can be vain.Logical formLearned from3 sentences. Shouts can be vain.Logical formLearned from3 sentences. Battles can be vain.Logical formLearned from3 sentences. A director can be vain.Logical formLearned from3 sentences. Men can be vain as women.Logical formLearned from3 sentences. Some men can be vain.Logical formLearned from3 sentences. Embellishments can be vain.Logical formLearned from3 sentences. Baubles can be vain.Logical formLearned from3 sentences. A word can be vain.Logical formLearned from3 sentences. Some reasoning can be vain.Logical formLearned from3 sentences. A hope may prove vain.Logical formLearned from3 sentences.