This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Medicine
[{'content': 'Sensory neuropathy is caused by all except- \nSelect and explain. \nA. Lead, B. Pyridoxine, C. Cisplatin, D. Paraneoplastic', 'role': 'user'}, {'content': "Answer: A \nExplanation: Harrison's principles of internal medicine * In case of lead ( ninpharmaceutucal toxins) motor involvement and CNS involvement is greater Ref Harrison20th edition pg 2345", 'role': 'assistant'}]