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': 'Which vaccine is not given in AIDS patients \nSelect and explain. \nA. DPT, B. BCG, C. Rabies, D. Measles', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]