This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Peripheral Nerve & Muscles, Subject name: Medicine
[{'content': "Test shown is: \nSelect and explain. \nA. Card Test, B. Froment's Sign, C. Pointing index, D. Pen Test", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) Pointing indexThe image shows presence of point index with lesion of median nerve. The remaining three choices A, C, D are seen in ulnar nerve Damage.', 'role': 'assistant'}]