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': 'Best quality proteins are found in highest quantities in – \nSelect and explain. \nA. Rice, B. Wheat, C. Ragi, D. Bajra', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Rice proteins are richer in lysine than other cereal proteins, and for this reason, rice protein is considered to be a better quality.', 'role': 'assistant'}]