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': 'Prerna strategy is associated with: \nSelect and explain. \nA. Female literacy, B. Population control, C. Rural infrastructure, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Prerna strategy provides incentives to couples who fulfil the following criteria: girl marrying at age more than 19 years, first child after 2 yeras after marriage, keeping a gap of 3 years between first and second child and sterilization of either parent. Ref: National Health Programmes in India, J.Kishore, 10th edition pg: 643', 'role': 'assistant'}]