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: Ans. is b' i.e., Maternal & Child health Year", 'role': 'assistant'}]