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': 'The same screening test is applied to two comunities X and Y;Y shows more false + ye cases as compared to X. The possibility is - \nSelect and explain. \nA. High sensitivity, B. High specificity, C. Y community has high prevalence, D. Y community has low prevalence', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Y community has low prevalence o Same test is applied on two communities Sensitivity & Specificity, remain the same.", 'role': 'assistant'}]