14930
The Egr-1 gene was observed to be transcriptionally silent in HL-60 cells , but active in U-937 and M1 cells , the latter two being predetermined for macrophage differentiation.
 cell line: HL-60 cells; DNA: Egr-1 gene; cell line: M1 cells; cell line: U-937
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: HL-60 cells, Egr-1 gene, M1 cells, U-937 
Answer:
 cell line: HL-60 cells; DNA: Egr-1 gene; cell line: M1 cells; cell line: U-937