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 is the nerve involved in case of ape thumb deformity ? \nSelect and explain. \nA. Median, B. Radial, C. Ulnar, D. Axillary', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Median", 'role': 'assistant'}]