(Opera houses) can be in a country.Logical formLearned from47 sentences. An (opera company) may pertain-to a world-city.Logical formLearned from47 sentences. A composer can be constituted-of-or-filled-with opera.Logical formLearned from46 sentences. An opera may be performed in a world-city.Logical formLearned from46 sentences. An (opera career) may pertain-to a female.Logical formLearned from46 sentences. A series can be constituted-of-or-filled-with operas.Logical formLearned from46 sentences. A male may sing opera.Logical formLearned from46 sentences. A plot may pertain-to an opera.Logical formLearned from46 sentences. Seats can be for an (opera show).Logical formLearned from46 sentences. An (opera house) may undergo construction.Logical formLearned from45 sentences. A (title role) can be in an opera.Logical formLearned from45 sentences. An opera may end.Logical formLearned from45 sentences. A person may use opera.Logical formLearned from45 sentences. (Soap operas) may pertain-to a female.Logical formLearned from45 sentences. (Opera houses) can be in the world.Logical formLearned from44 sentences.