This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health education & planning, Subject name: Social & Preventive Medicine
[{'content': 'An anganwadi worker is trained for - \nSelect and explain. \nA. 3 months, B. 4 months, C. 5 months, D. 6 months', 'role': 'user'}, {'content': "Answer: B \nExplanation: -under ICDS Scheme, there is an anganwadi worker for a population of 400-800. - anganwadi worker is selected from the community itself - undergoes a training in various aspects of health, nutrition and child development for 4 months. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:903 <\\p>", 'role': 'assistant'}]