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In studies initiated to evaluate relationships between EBV latent genes and p53 , p53 levels were found to increase approximately 10-fold 4 to 5 days after EBV infection of purified resting human B cells ; the induced p53 was transcriptionally active.
 cell type: resting human B cells; DNA: EBV latent genes; protein: p53; protein: p53; protein: p53
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: resting human B cells, EBV latent genes, p53, p53, p53 
Answer:
 cell type: resting human B cells; DNA: EBV latent genes; protein: p53; protein: p53; protein: p53