A course may pertain-to a singer.Logical formLearned from15 sentences. A male may write a singer.Logical formLearned from15 sentences. A singer can be alcoholic.Logical formLearned from15 sentences. Singers can be all-time.Logical formLearned from15 sentences. Men may pertain-to a singer.Logical formLearned from15 sentences. A singer can be dramatic.Logical formLearned from15 sentences. A male may be followed by a singer.Logical formLearned from15 sentences. A fame may pertain-to a singer.Logical formLearned from15 sentences. A singer can be a human being.Logical formLearned from15 sentences. A casket may pertain-to a singer.Logical formLearned from15 sentences. Contributions may pertain-to a singer.Logical formLearned from15 sentences. An (opera singer) can be from a country.Logical formLearned from15 sentences. A singer may release a statement.Logical formLearned from15 sentences. A week may pertain-to a singer.Logical formLearned from15 sentences. A (concert film) may pertain-to a singer.Logical formLearned from15 sentences.