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
Numerator in negative predictive value ? 
Select and explain. 
A. True positive, B. False positive, C. True negative, D. False negative
C: True negative
Answer: C: True negative 
Explanation: Ans. is 'c' i.e., True negative