A male can be a brother of singer.Logical formLearned from19 sentences. Songs may be recorded by a singer.Logical formLearned from19 sentences. A (singer and songwriter) may pertain-to a country.Logical formLearned from19 sentences. A contract may pertain-to a singer.Logical formLearned from19 sentences. A singer can be for a male.Logical formLearned from19 sentences. A search can be for a singer.Logical formLearned from19 sentences. A singer can be dark.Logical formLearned from19 sentences. A (pop singer) can be in a country.Logical formLearned from19 sentences. Compositions may pertain-to a singer.Logical formLearned from19 sentences. A hat may pertain-to a singer.Logical formLearned from19 sentences. A singer may live in a world-city.Logical formLearned from19 sentences. A singer can be in a (rock band).Logical formLearned from19 sentences. A singer can be on a month.Logical formLearned from19 sentences. An influence can be on a singer.Logical formLearned from19 sentences. A female can be (backup singer).Logical formLearned from19 sentences.