13256
Activation of E2F -mediated transcription by human T-cell leukemia virus type I Tax protein in a p16(INK4A)-negative T-cell line .
 protein: E2F; cell line: p16(INK4A)-negative T-cell line; protein: human T-cell leukemia virus type I Tax protein
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: E2F, p16(INK4A)-negative T-cell line, human T-cell leukemia virus type I Tax protein 
Answer:
 protein: E2F; cell line: p16(INK4A)-negative T-cell line; protein: human T-cell leukemia virus type I Tax protein