A history may pertain-to an (opera house).Logical formLearned from10 sentences. Operas may undergo stagings.Logical formLearned from10 sentences. (Soap operas) can be online.Logical formLearned from10 sentences. An opera may be left unfinished.Logical formLearned from10 sentences. Sounds may pertain-to an opera.Logical formLearned from10 sentences. Meaning can be in a (soap opera).Logical formLearned from10 sentences. A debut may pertain-to an opera.Logical formLearned from10 sentences. (Soap operas) can be homegrown.Logical formLearned from10 sentences. Persons may watch (soap operas).Logical formLearned from10 sentences. An opera can be genuine.Logical formLearned from10 sentences. Some operas may be presented.Logical formLearned from10 sentences. An opera can be recorded.Logical formLearned from10 sentences. A (soap opera) can be silly.Logical formLearned from10 sentences. A (rock opera) may pertain-to a group.Logical formLearned from10 sentences. An (opera world) can be international.Logical formLearned from10 sentences.