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': 'Consumption of which of the following may lead to pellagra? \nSelect and explain. \nA. Jowar, B. Ragi, C. Bajra, D. All of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ceain varieties of Jowar have high concentrations of leucine and may lead to pellagra. Ref: Park, 22nd edition pg: 582', 'role': 'assistant'}]