5721
E1A oncogene expression increases mammalian cell susceptibility to lysis by cytolytic lymphocytes ( CLs ) at a stage in this intercellular interaction that is independent of cell surface recognition events .
 ( cell type: CLs, None) , ( cell type: cytolytic lymphocytes, None) , ( DNA: E1A oncogene, 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:
 ( cell type: CLs, None) , ( cell type: cytolytic lymphocytes, None) , ( DNA: E1A oncogene, None) 