14696
Finally, we did genomic footprinting of the HS-40 enhancer region in K562 cells , adult nucleated erythroblasts , and different nonerythroid cells .
 cell line: adult nucleated erythroblasts; DNA: HS-40 enhancer region; cell line: K562 cells; cell type: nonerythroid 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: adult nucleated erythroblasts, HS-40 enhancer region, K562 cells, nonerythroid cells 
Answer:
 cell line: adult nucleated erythroblasts; DNA: HS-40 enhancer region; cell line: K562 cells; cell type: nonerythroid cells