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': 'Who is the principal advisor to the Union government in both medical and public health matter? \nSelect and explain. \nA. The central council of Health & Family welfare, B. Medical council of India, C. The Directorate General Health & Family Welfare, D. Union Ministry of Health & Family Welfare', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]