A male may spell_out an end by singing.Logical formLearned from66 sentences. Men may sing.Logical formLearned from66 sentences. A female may sing a verse.Logical formLearned from66 sentences. A male may sing roles.Logical formLearned from66 sentences. Boys may sing.Logical formLearned from66 sentences. A female may sing a chorus.Logical formLearned from65 sentences. A song may sing.Logical formLearned from64 sentences. A female may sing in a voice.Logical formLearned from64 sentences. A person may sing a person lullabies.Logical formLearned from64 sentences. A person may sing a (theme song).Logical formLearned from63 sentences. A male may sing a verse.Logical formLearned from62 sentences. A chorus may be sung.Logical formLearned from62 sentences. A person may sing in public.Logical formLearned from62 sentences. A person may sing (hair metal songs).Logical formLearned from61 sentences. Students may sing.Logical formLearned from61 sentences.