4741
Human monoblastic leukemia U937 cells are induced to differentiate into monocytes and macrophages by various agents.
 cell type: monocytes; cell type: macrophages; cell line: Human monoblastic leukemia U937 cells
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: monocytes, macrophages, Human monoblastic leukemia U937 cells 
Answer:
 cell type: monocytes; cell type: macrophages; cell line: Human monoblastic leukemia U937 cells