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: Forensic Medicine
[{'content': 'All the following are features of chronic lead poisoning except: \nSelect and explain. \nA. Encephalopathy, B. Buonian line, C. Cutaneous blisters, D. Constipation', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Cutaneous blister', 'role': 'assistant'}]