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The Tax protein of HTLV-I , a positive transcriptional activator of HTLV-I gene expression , is a viral oncogene that also increases transcription of cellular genes including GM-CSF , IL-2R alpha and IL-2 .
 protein: positive transcriptional activator; DNA: cellular genes; protein: GM-CSF; protein: Tax protein; protein: IL-2; protein: IL-2R alpha
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: positive transcriptional activator, cellular genes, GM-CSF, Tax protein, IL-2, IL-2R alpha 
Answer:
 protein: positive transcriptional activator; DNA: cellular genes; protein: GM-CSF; protein: Tax protein; protein: IL-2; protein: IL-2R alpha