Operas can be forgotten.Logical formLearned from14 sentences. An opera can be dark.Logical formLearned from14 sentences. Music can be in an opera.Logical formLearned from14 sentences. An opera can be powerful.Logical formLearned from14 sentences. An opera can be by a composer.Logical formLearned from14 sentences. A male may listen to opera.Logical formLearned from14 sentences. A (rock opera) may pertain-to a who.Logical formLearned from14 sentences. A singer can be on an (opera scene).Logical formLearned from14 sentences. A (soap opera) can be male.Logical formLearned from14 sentences. An (opera house) can be magnificent.Logical formLearned from14 sentences. An (opera performer) can be famous.Logical formLearned from14 sentences. Nights can be at an opera.Logical formLearned from14 sentences. A result can be an opera.Logical formLearned from14 sentences. An opera may die.Logical formLearned from14 sentences. An (opera house) can be world-class.Logical formLearned from14 sentences.