A photo may show an opera.Logical formLearned from19 sentences. A basis may pertain-to an opera.Logical formLearned from19 sentences. (Opera companies) can be in a US-city.Logical formLearned from19 sentences. An (opera season) may undergo an opening.Logical formLearned from19 sentences. A trilogy can be constituted-of-or-filled-with operas.Logical formLearned from19 sentences. A person may listen to opera.Logical formLearned from19 sentences. A (soap opera) can be endless.Logical formLearned from19 sentences. Characters can be in an opera.Logical formLearned from19 sentences. Opera may undergo productions.Logical formLearned from19 sentences. A person may study opera.Logical formLearned from19 sentences. An aria may pertain-to an opera.Logical formLearned from19 sentences. (Opera stars) may pertain-to a century.Logical formLearned from19 sentences. A (soap opera) can be nightly.Logical formLearned from19 sentences. Operas can be regional.Logical formLearned from18 sentences. A season can be constituted-of-or-filled-with opera.Logical formLearned from18 sentences.