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': 'Alcohol anti-craving agents are all, except: AIIMS 09 \nSelect and explain. \nA. Lorazepam, B. Clonidine, C. Acamprosate, D. Naltrexone', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. Lorazepam', 'role': 'assistant'}]