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 a population of 100000, 100 people have pulmonary tuberculosis. Out of 100 people, 10 died . What is the case fatality rate of TB- \nSelect and explain. \nA. 5%, B. 10%, C. 0.50%, D. 1%', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., 5% CFR =Total no. of deaths due to a disease--------------------------------Total no. of cases of the same diseasex 100 CFR due to TB =5------100x 100 = 5%.", 'role': 'assistant'}]