Some operas may be conducted by a male.Logical formLearned from8 sentences. (Concert performances) may pertain-to an opera.Logical formLearned from8 sentences. Themes may pertain-to an opera.Logical formLearned from8 sentences. An (opera house) may be built to designs.Logical formLearned from8 sentences. A culture of opera may spread to new generations.Logical formLearned from8 sentences. A performance can be at an (opera house).Logical formLearned from8 sentences. A program may pertain-to an opera.Logical formLearned from8 sentences. An opera may be sung.Logical formLearned from8 sentences. A spokesman can be for an opera.Logical formLearned from8 sentences. An (opera star) can be legendary.Logical formLearned from8 sentences. An (opera house) may be gutted by fire.Logical formLearned from8 sentences. An (opera company) can be in a world-city.Logical formLearned from8 sentences. An opera may operate with a deficit.Logical formLearned from8 sentences. An (opera house) can be on a month.Logical formLearned from8 sentences. (Opera tenors) can be famous.Logical formLearned from7 sentences.