This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
[{'content': 'FRANKLE-IV used for \nSelect and explain. \nA. Class-I malocclusion, B. Class-II malocclusion, C. Class-III malocclusion, D. Bimaxillary protrusion', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]