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': 'A alcoholics addicted presents in emergency with irrelevant talking & disoriented to time, place and person there is H/O not taking alcohol from last 3 days & no head injury. He also have visual hallucination. The diagnosis? \nSelect and explain. \nA. Dementia praecox, B. Delirium tremens, C. Schizophrenia, D. Korsakoff psychosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Delirium tremens', 'role': 'assistant'}]