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': 'Maternal moality is reduced to ? \nSelect and explain. \nA. 100, B. 200, C. 300, D. 400', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., 200 o According to the estimates the MMR (maternal moality ratio) has reduced from 254 per lac live bihs in 2004-06 to 212 per lac live bihs in 2007-09, a reduction of 42 points over a period of three years.", 'role': 'assistant'}]