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': 'Desks provided with table top to prevent neck problems is an example of: \nSelect and explain. \nA. Primordial prevention, B. Primary prevention, C. Specific protection, D. Disability limitation', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Primary prevention', 'role': 'assistant'}]