A faith can be vain.Logical formLearned from54 sentences. Beauty can be vain.Logical formLearned from51 sentences. Men can be vain.Logical formLearned from50 sentences. Imagination can be vain.Logical formLearned from43 sentences. A struggle can be vain.Logical formLearned from43 sentences. Desires can be vain.Logical formLearned from42 sentences. An ambition can be vain.Logical formLearned from41 sentences. Men can be vain.Logical formLearned from40 sentences. Efforts can be vain.Logical formLearned from39 sentences. A conversation can be vain.Logical formLearned from39 sentences. An endeavor can be vain.Logical formLearned from38 sentences. Dreams can be vain.Logical formLearned from37 sentences. Promises can be vain.Logical formLearned from37 sentences. A pomp can be vain.Logical formLearned from35 sentences. Regrets can be vain.Logical formLearned from34 sentences.