This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Non communicable diseases, Subject name: Social & Preventive Medicine
[{'content': 'Denominator of propoional moality is - \nSelect and explain. \nA. Mid year population, B. Total cases, C. Total death due to all causes in one year, D. Total death due to one cause', 'role': 'user'}, {'content': "Answer: C \nExplanation: park's textbook of preventive and social medicine 23rd edition. *propoional moality from a specific disease :no of death from the specific disease in a year /totaldeaths from all causes in that year multiplied by 100", 'role': 'assistant'}]