This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health care of community & international health, Subject name: Social & Preventive Medicine
[{'content': 'Millennium development goals aim to reduce MMR by? \nSelect and explain. \nA. 3\\/4, B. 2\\/3, C. 1\\/4, D. 1\\/2', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Improve maternal health Target 6: reduce by three -quaers,between 1990 and 2015,the maternal moality ratio (refer pgno:895 park 23rd edition)', 'role': 'assistant'}]