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': 'Basic need programme includes all, except - \nSelect and explain. \nA. Education of adult & child, B. Doctor & nurse ratio, C. Water supply, D. Sanitation', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is `b' i.e., Doctor & nurse ratio", 'role': 'assistant'}]