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': 'Which of the following is a MDG ? \nSelect and explain. \nA. Reduce by 2/3" the tinder five moality by year 1990-2015, B. Halve the prevalence of HIV-AIDS by 2015, C. Reduce maternal moality by 50%, D. Combat PEM & diarrhoea', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. is `a\' i.e., Reduce by 2/3" the under five moality by year 1990-2015', 'role': 'assistant'}]