912
LBF2 was found only in epithelial cell lines , whereas LBF3 , LBF5 , LBF6 , and LBF7 were not cell type specific.
 ( protein: LBF2, None) , ( protein: LBF6, None) , ( cell line: epithelial cell lines, None) , ( protein: LBF3, None) , ( protein: LBF5, None) , ( protein: LBF7, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: LBF2, None) , ( protein: LBF6, None) , ( cell line: epithelial cell lines, None) , ( protein: LBF3, None) , ( protein: LBF5, None) , ( protein: LBF7, None) 