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': 'National institute of Homeopathy is located in: \nSelect and explain. \nA. Delhi, B. Kolkata, C. Chennai, D. Mumbai', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The government of india has established a national institute of Ayurveda in Jaipur and a national institute of homeopathy in Kolkata. Ref: Park 21st edition, page 849.', 'role': 'assistant'}]