4533
This is achieved in part through the positive activities of the AP-1 and Elf-1 sites in the IL-3 promoter .
 protein: IL-3; DNA: IL-3 promoter
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: IL-3, IL-3 promoter 
Answer:
 protein: IL-3; DNA: IL-3 promoter