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In the presence of Epo , c-myb mRNA declined and 20% of K562 cells synthesized Hb regardless of antisense myb RNA expression.
 protein: Epo; protein: Hb; RNA: c-myb mRNA; cell line: K562 cells; RNA: antisense myb RNA
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: Epo, Hb, c-myb mRNA, K562 cells, antisense myb RNA 
Answer:
 protein: Epo; protein: Hb; RNA: c-myb mRNA; cell line: K562 cells; RNA: antisense myb RNA