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: Medicine
[{'content': 'Cholestasis with poal inflammation is typically seen with drug: \nSelect and explain. \nA. Halothane, B. Chlorpromazine, C. Oral contraceptive pills, D. Methyldopa', 'role': 'user'}, {'content': "Answer: B \nExplanation: Chlorpromazine typically produces poal inflammation and cholestasis Ref: Harrison's Principles of Internal Medicine, 18th Edition, Page 2560, Table - 305-1.", 'role': 'assistant'}]