Part may pertain-to an opera.Logical formLearned from25 sentences. (Opera productions) may pertain-to a male.Logical formLearned from25 sentences. Opera can be popular.Logical formLearned from25 sentences. An (opera house) can be in the world.Logical formLearned from25 sentences. An (opera company) may be based in a US-city.Logical formLearned from24 sentences. Themes can be from an opera.Logical formLearned from24 sentences. A (concert version) may pertain-to an opera.Logical formLearned from24 sentences. A (soap opera) may pertain-to television.Logical formLearned from24 sentences. An opera can be mature.Logical formLearned from24 sentences. A male may be knowned for operas.Logical formLearned from24 sentences. (Opera singers) may pertain-to a century.Logical formLearned from24 sentences. A plot may pertain-to an opera.Logical formLearned from24 sentences. (Opera houses) can be prestigious.Logical formLearned from24 sentences. A composer may write an opera.Logical formLearned from24 sentences. A (soap opera) can be trashy.Logical formLearned from24 sentences.