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
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: neutrophil 
Answer:
 cell type: neutrophil