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': 'DALY is - \nSelect and explain. \nA. Disease - Adjusted Life year, B. Disability Adjusted Life year, C. Disease Associated Life year, D. Disability Associated Life year', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Disability Adjusted Life year", 'role': 'assistant'}]