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': 'Amino acid deficient in pulses \nSelect and explain. \nA. Tryptophane, B. Lysine, C. Methionine, D. Leucine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]