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': 'Triage means \nSelect and explain. \nA. First come first serve, B. Labeling the death patients, C. Treating person with better prognosis, D. Identifying seriously ill who needs treatment first.', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]