Opponents can be vain.Logical formLearned from1 sentences. A (singing hippo) can be vain.Logical formLearned from1 sentences. Sacrifices can be vain.Logical formLearned from1 sentences. A (theater legend) can be vain.Logical formLearned from1 sentences. Comments can be vain.Logical formLearned from1 sentences. A hope of avoiding police-work can be vain.Logical formLearned from1 sentences. Loves can be vain.Logical formLearned from1 sentences.