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': 'Sensitivity of a screening test indicates: September 2006 \nSelect and explain. \nA. False positive, B. False negative, C. True negative, D. True positive', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D: True positive', 'role': 'assistant'}]