Operas may undergo a festival.Logical formLearned from9 sentences. An orchestra may pertain-to an (opera house).Logical formLearned from9 sentences. A musical genius may dwell in a basement of an opera.Logical formLearned from9 sentences. An opera may undergo a basement.Logical formLearned from9 sentences. Operas may be written/wrote.Logical formLearned from9 sentences. (Opera performances) may pertain-to a female.Logical formLearned from9 sentences. Roles can be in an opera.Logical formLearned from9 sentences. An opera can be by composer.Logical formLearned from9 sentences. A (soap opera) can be sad.Logical formLearned from9 sentences. A series can be (soap opera).Logical formLearned from9 sentences. An opera may be set in a world-city.Logical formLearned from9 sentences. An (opera hat) may pertain-to a male.Logical formLearned from9 sentences. Information can be about opera.Logical formLearned from9 sentences. A (soap opera) may be titled.Logical formLearned from9 sentences. Access can be to opera.Logical formLearned from9 sentences.