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An Epo -inducible TAL1 DNA binding activity was identified in FVA cell nuclear extracts that subsequently decayed despite accumulating mRNA and protein .
 RNA: mRNA; protein: TAL1; protein: protein; protein: Epo
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: mRNA, TAL1, protein, Epo 
Answer:
 RNA: mRNA; protein: TAL1; protein: protein; protein: Epo