In this task, you are given a sentence from the research paper and the category to which it belongs. Your task is to classify whether the given category is correct or not by providing "True" and "False", respectively. Here are the definitions for the categories: Background (Why is this problem important? What relevant works have been created before? What is still missing in the previous works? What are the high-level research questions? How might this help other research or researchers?), Purpose (What specific things do the researchers want to do? What specific knowledge do the researchers want to gain? What specific hypothesis do the researchers want to test?), Method (How did the researchers do the work or find what they sought? What are the procedures and steps of the research?), or Finding (What did the researchers find out? Did the proposed methods work? Did the thing behave as the researchers expected?). ",

[Q]: Sentence: Upper ( nasopharyngeal swab ) and lower ( BAL ) respiratory tract specimens from 77 lung transplant recipients enrolled in a cohort study and undergoing bronchoscopy with BAL and transbronchial biopsies were screened using 17 different polymerase chain reaction-based assays. 
 Section: method
[A]: True


[Q]: Sentence: Materials and Methods : A natural experimental study was conducted using healthcare utilization and mortality data of the entire Korean population. 
 Section: finding
[A]: False


[Q]: Sentence: However , there may be a cross-recognition by the T cell clone ( Al 2 ) between DRl and DR4 subtypes. 
 Section: finding
[A]:
True