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: Dental
[{'content': 'Anganwadi Worker (AWW) is appointed for population \nSelect and explain. \nA. 1000, B. 5000, C. 20000, D. 30000', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]