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': 'A community of 500000 people had 100 deaths in a year. Out of those 100 deaths 10 individuals died due to pulmonary TB. What is the proportional mortality rare from TB- \nSelect and explain. \nA. 10%, B. 50%, C. 75%, D. None', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., 10% Proportional mortality from TB =No. of deaths due to TB in a year----------------------------Total no. of deaths in that yearx 100", 'role': 'assistant'}]