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Last, we have identified two open reading frames ( ORFs ) of HHV-6 , U86 and U89 from the immediate-early locus A, that can transactivate the CD4 promoter in HeLa cells .
 DNA: open reading frames; cell line: HeLa cells; DNA: U89; DNA: CD4 promoter; DNA: ORFs; DNA: U86
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: open reading frames, HeLa cells, U89, CD4 promoter, ORFs, U86 
Answer:
 DNA: open reading frames; cell line: HeLa cells; DNA: U89; DNA: CD4 promoter; DNA: ORFs; DNA: U86