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': 'Lysine is deficient in - \nSelect and explain. \nA. Pulse, B. Wheat, C. Both of the above, D. None of the above', 'role': 'user'}, {'content': "Answer: B \nExplanation: Pulses are deficient in methionine and cysteine. Wheat us deficient in lysine. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 580,579", 'role': 'assistant'}]