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': 'Pulse protein is deficient in which of the following Essential Amino Acid? \nSelect and explain. \nA. Lysine, B. Threonine, C. Methionine, D. Tryptophan', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]