13950
Using UT-7/GMT cells , we examined how TPO promotes hemoglobinization .
 cell line: UT-7/GMT cells; protein: TPO
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: UT-7/GMT cells, TPO 
Answer:
 cell line: UT-7/GMT cells; protein: TPO