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': 'Amelobtastoma is best managed by: \nSelect and explain. \nA. Chemotherapy, B. Radiotherapy, C. Gene therapy, D. Surgical excision', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]