An (opera score) can be pertinent to a descent.Logical formLearned from20 sentences. Opera may undergo an appeal.Logical formLearned from20 sentences. An opera can be controversial.Logical formLearned from20 sentences. An opera may pertain-to a century.Logical formLearned from20 sentences. A (soap opera) can be sexy.Logical formLearned from20 sentences. An opera can be ambitious.Logical formLearned from20 sentences. A night can be at an opera.Logical formLearned from20 sentences. A (soap opera) can be glossy.Logical formLearned from20 sentences. An opera may be based on a play.Logical formLearned from20 sentences. An opera may start.Logical formLearned from20 sentences. An opera can be large-scale.Logical formLearned from20 sentences. A grandmother can be (opera singer).Logical formLearned from20 sentences. An (opera troupe) may pertain-to a world-city.Logical formLearned from20 sentences. Successes can be in (opera houses).Logical formLearned from20 sentences. An opera can be in some acts.Logical formLearned from19 sentences.