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': 'Screening of the diseases is which type of prevention? \nSelect and explain. \nA. Primordial, B. Primary, C. Secondary, D. Teiary', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Secondary", 'role': 'assistant'}]