A person may sing.Logical formLearned from16 150 sentences. A male may sing.Logical formLearned from14 151 sentences. A female may sing.Logical formLearned from11 443 sentences. Persons may sing.Logical formLearned from4 073 sentences. A person may sing at a top of lungs.Logical formLearned from2 187 sentences. A person may sing a song.Logical formLearned from1 278 sentences. A male may sing a song.Logical formLearned from925 sentences. A female may sing a song.Logical formLearned from896 sentences. A person may be sung.Logical formLearned from870 sentences. Persons may sing.Logical formLearned from813 sentences. A person may sing an (internet contract).Logical formLearned from811 sentences. Birds may sing.Logical formLearned from760 sentences. A person may sing a song.Logical formLearned from738 sentences. A heart may sing.Logical formLearned from721 sentences. A male may sing a song.Logical formLearned from702 sentences.