5680
Additionally, E2F-1 caused massive megakaryocyte accumulation in both normal and ectopic sites, first evident in E15 embryonic liver .
 protein: E2F-1; cell type: megakaryocyte
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-1, megakaryocyte 
Answer:
 protein: E2F-1; cell type: megakaryocyte