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: Unknown
[{'content': '10% of total deaths in a city is due to accidents. There are 500 total deaths reported. What is true? \nSelect and explain. \nA. 10% is case fatality rate., B. Out of total deaths 50 are due to accidents., C. Both of these, D. None of these.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: - Proportional Mortality Rate ( PMR)', 'role': 'assistant'}]