7063
These findings demonstrate differential lineage requirements for expression within the HS I element .
 ( DNA: HS I element, None) , ( DNA: HS I, 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:
 ( DNA: HS I element, None) , ( DNA: HS I, None) 