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': 'Most important component of level of living- \nSelect and explain. \nA. Health, B. Education, C. Food, D. Clothes', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Health is the most important component because its impairment always means impairment of level of living.', 'role': 'assistant'}]