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': 'Integrated Surveillance Disease Programme recommends which among the following for non-communicable diseases? \nSelect and explain. \nA. Sentinel surveillance, B. Periodic surveys, C. Regular surveillance, D. All the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Regular surveillance', 'role': 'assistant'}]