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: Social & Preventive Medicine
[{'content': 'AIDS day is ? \nSelect and explain. \nA. 7 April, B. 3-May, C. 5-Jun, D. 1-Dec', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., 1 December", 'role': 'assistant'}]