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 the headquaers of South East Asia Regional Office for WHO? \nSelect and explain. \nA. New Delhi, B. Dhaka, C. Colombo, D. Bangkok', 'role': 'user'}, {'content': 'Answer: A \nExplanation: South East Asia region of the WHO has 11 members. The headquaers is in New Delhi. Ref: Park 21st edition, page 855.', 'role': 'assistant'}]