This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epidemiology, Subject name: Social & Preventive Medicine
[{'content': 'In disability rates, event- type indication are the following except- \nSelect and explain. \nA. Number of days of restricted activity, B. Limitation of activity, C. Bed disability days, D. Work loss days', 'role': 'user'}, {'content': 'Answer: B \nExplanation: .In disability rates, event- type indication are the following ,Number of days of restricted activity ,Bed disability days,Work loss daysor school days in specified period of time. ref:park&;s textbook,22ed,pg no 24', 'role': 'assistant'}]