This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Levels of Prevention of Disease, Subject name: Social & Preventive Medicine
[{'content': '"Ottawa Chaer of Health Promotion" incorporates all of the following key action areas except:- \nSelect and explain. \nA. Build healthy public policy, B. Strengthen community action for health, C. Build social security system, D. Reorient health services', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ottawa Chaer for Health Promotion - Five key action areas: Public health policy. Strengthen community action for health. Reorientation of health services. Personal skills development. Suppoive environment.', 'role': 'assistant'}]