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': 'The slogan for WHO 2005 – \nSelect and explain. \nA. Road safety, B. Maternal and child health, C. Aging, D. Physical activity', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Year → World Health Day (WHD) Theme\n2004 → Road safety is no accident\n2005 → Make every mother and child count\n2006 → Working together for health\n2007 → International health security: Invest in health, build a safer future\n2008 → Protecting health from climate change\n2009 → Health facilities in emergencies', 'role': 'assistant'}]