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': "Ramu aged 45 years, a chronic alcoholic presents with complaints of confusion , ataxia , opthalmoplegia and peripheral neuropathy - diagnosis is : \nSelect and explain. \nA. Korsakoff's psychosis, B. Delerium tremens, C. Alcoholic hallucination, D. Wernicke's encephalopathy", 'role': 'user'}, {'content': "Answer: D \nExplanation: D i.e. Wernicke's encephalopathy", 'role': 'assistant'}]