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': 'Death rates of two countries are best compared by ? \nSelect and explain. \nA. Crude death rate, B. Propoional crude death rate, C. Standardized moality rate, D. Age specific death rate', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Standardized moality rate", 'role': 'assistant'}]