9219
We eliminate both Stat5 and Raf /MEK pathways from E2F regulation .
 protein: E2F; protein: Stat5; protein: /MEK; protein: Raf
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: E2F, Stat5, /MEK, Raf 
Answer:
 protein: E2F; protein: Stat5; protein: /MEK; protein: Raf