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': 'The following is the 4th Millennium Development Goal: \nSelect and explain. \nA. To reduce maternal mortality rate, B. Combat HIV/AIDS, C. Environmental sustainability, D. To reduce infant mortality rate', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Millennium development goals\n\nBaseline year for MDG – 1990\nDeadline year for MDG – 2015\nIn total there are 8 goals, 21 quantifiable targets and 60 indicators. Out of these, 3 goals, 8 targets and 18 indicators are directly related to health.\n\nGoals of MDG', 'role': 'assistant'}]