5902
A variety of factors are known to play a role in terminal neutrophil maturation , including the vitamin A derivative, retinoic acid .
 ( cell type: neutrophil, 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: neutrophil, None) 