14322
Here we demonstrate that hexamethylene bisacetamide ( HMBA ) induced K562 cells to differentiate along a third pathway.
 cell line: K562 cells
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: K562 cells 
Answer:
 cell line: K562 cells