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': 'Not a member of SAARC region \nSelect and explain. \nA. India, B. Africa, C. Sri Lanka, D. Afghanistan', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Members of SAARC region\n\nAfghanistan\nBangladesh\nIndia\xa0\nSri Lanka\nNepal\xa0\nBhutan\nMaldives Islands\nPakistan', 'role': 'assistant'}]