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': 'Pointing index sign is seen in ---- nerve palsy - \nSelect and explain. \nA. Ulnar, B. Radial, C. Median, D. Axillary', 'role': 'user'}, {'content': "Answer: C \nExplanation: Pointing index (oschner's clasp test) is seen in high median nerve palsy.", 'role': 'assistant'}]