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: Pharmacology
[{'content': 'All of the following are causes of "lupus", except : \nSelect and explain. \nA. Hydralazine, B. Clofibrate, C. Penicillamine, D. Chlorpromazine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Drugs associated with Lupus Erythematosus.', 'role': 'assistant'}]