A singer may answer.Logical formLearned from31 sentences. Concerts can be by a singer.Logical formLearned from31 sentences. Tapes may pertain-to a singer.Logical formLearned from31 sentences. A singer may have an idea.Logical formLearned from31 sentences. A (female singer) may pertain-to a country.Logical formLearned from31 sentences. A singer may be knowned.Logical formLearned from31 sentences. Greats can be as a singer.Logical formLearned from31 sentences. A (backup singer) may pertain-to a female.Logical formLearned from31 sentences. A band can be constituted-of-or-filled-with singers.Logical formLearned from31 sentences. A singer may speak.Logical formLearned from31 sentences. A singer may pertain-to a country.Logical formLearned from31 sentences. A relationship can be with a singer.Logical formLearned from31 sentences. A person can be (opera singer).Logical formLearned from31 sentences. Icons can be as a singer.Logical formLearned from31 sentences. A sister may pertain-to a singer.Logical formLearned from31 sentences.