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: Dental
[{'content': 'Equitable\tdistribution,\tcommunity\tparticipation,\nintersectional coordination and appropriate technology are the principles of \nSelect and explain. \nA. Primary health care, B. Social science, C. Primary prevention, D. Epidemiology', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]