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 limiting Amino acid in wheat is - \nSelect and explain. \nA. Methionine, B. Tryptophan, C. Lysine, D. Isoleucine', 'role': 'user'}, {'content': "Answer: C \nExplanation: The limiting amino acid in wheat is lysine and threonine. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 579)", 'role': 'assistant'}]