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': 'Numerator in negative predictive value ? \nSelect and explain. \nA. True positive, B. False positive, C. True negative, D. False negative', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., True negative", 'role': 'assistant'}]