(Back-up singers) may pertain-to a male.Logical formLearned from16 sentences. Work can be as a singer.Logical formLearned from16 sentences. A reference can be to a singer.Logical formLearned from16 sentences. Singers may be heard.Logical formLearned from16 sentences. A life can be with a singer.Logical formLearned from16 sentences. A female can be (singer and musician).Logical formLearned from16 sentences. Interest may pertain-to a singer.Logical formLearned from16 sentences. A female can be among singers.Logical formLearned from16 sentences. A singer can be constituted-of-or-filled-with popular music.Logical formLearned from16 sentences. A lineup can be constituted-of-or-filled-with singers.Logical formLearned from16 sentences. A female may see a singer.Logical formLearned from16 sentences. A (rock singer) can be popular.Logical formLearned from16 sentences. Knowledge may pertain-to a singer.Logical formLearned from16 sentences. (Soul singers) can be female.Logical formLearned from16 sentences. A singer may tell a person that something-is-the-case.Logical formLearned from16 sentences.