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: Orthopaedics
[{'content': 'Sensory supply to the region is by which nerve. \nSelect and explain. \nA. Ulnar nerve, B. Radial nerve, C. Median nerve, D. Axillary nerve', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]