Excerpts can be from operas.Logical formLearned from13 sentences. Works may include some operas.Logical formLearned from13 sentences. A female may sing in some operas.Logical formLearned from13 sentences. An opera may make a debut.Logical formLearned from13 sentences. Versions may pertain-to an opera.Logical formLearned from13 sentences. An (opera scene) may pertain-to a world-city.Logical formLearned from13 sentences. Opera can be by a male.Logical formLearned from13 sentences. Opera may undergo an understanding.Logical formLearned from13 sentences. An (opera company) can be in a country.Logical formLearned from13 sentences. Operas can be popular.Logical formLearned from13 sentences. Songs can be from operas.Logical formLearned from13 sentences. An (opera house) may pertain-to a garden.Logical formLearned from13 sentences. An (opera house) can be in a country.Logical formLearned from13 sentences. (Television soap operas) can be popular.Logical formLearned from13 sentences. A context may pertain-to an opera.Logical formLearned from13 sentences.