A foyer may pertain-to an (opera house).Logical formLearned from8 sentences. A film may show an opera.Logical formLearned from8 sentences. A form may pertain-to an opera.Logical formLearned from8 sentences. A (soap opera) can be on television.Logical formLearned from8 sentences. An opera may be based on a book.Logical formLearned from8 sentences. An opera may be presented in a world-city.Logical formLearned from8 sentences. Operas can be in a US-city.Logical formLearned from8 sentences. An (opera singer) may pertain-to the world.Logical formLearned from8 sentences. A male may try an opera.Logical formLearned from8 sentences. Stories may pertain-to operas.Logical formLearned from8 sentences. A singer can be constituted-of-or-filled-with opera.Logical formLearned from8 sentences. A length may pertain-to an opera.Logical formLearned from8 sentences. A comic opera can be popular.Logical formLearned from8 sentences. A role can be in a (soap opera).Logical formLearned from8 sentences. A female may be trained as an (opera singer).Logical formLearned from8 sentences.