This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition and health, Subject name: Social & Preventive Medicine
[{'content': 'The millet rich in calcium is - \nSelect and explain. \nA. Rice, B. Ragi, C. Jowar, D. Bajra', 'role': 'user'}, {'content': "Answer: B \nExplanation: Calcium content of ragi is 344.0 per 100gram.And that if bajra is 42.0 and of jowar is 25.0.(Ref.PARK'S textbook of social and preventive medicine 21st edition page no.579 table 18)", 'role': 'assistant'}]