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': "All the following indicators are used to measure disability rates in a community except ? \nSelect and explain. \nA. Suillivan's index, B. Human povey index, C. Health adjusted life expectancy, D. Disability adjusted life yea", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Human povey index", 'role': 'assistant'}]