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': "All are associated with Wernicke\\'s encephalopathy except - \nSelect and explain. \nA. Cog wheel rigidity, B. Alteration in mental function, C. VIth nerve palsy, D. Ataxia", 'role': 'user'}, {'content': "Answer: A \nExplanation: Wernicke's encephalopathy is characterized by a triad of global confusion (alteration in mental function), Ophthalmoplegia (Bilateral 6th nerve palsy) and ataxia.", 'role': 'assistant'}]