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: Surgery
[{'content': "Which of the following Osteotomy is carried out for mandibular deformity \nSelect and explain. \nA. Inverted 'L' Osteotomy, B. 'C' Osteotomy, C. Intraoral sagitall split Osteotomy, D. All of the above", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]