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: Psychiatry
[{'content': 'Wernikes encephalopathy features are all except - \nSelect and explain. \nA. Confusion, B. Ataxia, C. Aphasia, D. Nystagmus', 'role': 'user'}, {'content': "Answer: C \nExplanation: Confusion, Ataxia and nystagmus are seen in Wernicke's encephalopathy.\nAphasia is not a feature.", 'role': 'assistant'}]