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: Medicine
[{'content': 'Dying back neuropathy is seen in all except - \nSelect and explain. \nA. Arsenic neuropathy, B. Gullain Barre syndrome, C. Diabetic neuropathy, D. Vasculitic neuropathy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]