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': "Common side effects of chlorpromazine are all except: \nSelect and explain. \nA. Osteoporosis, B. Parkinson's disease, C. Skin rash, D. Amenorrhoea", 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]