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Epstein-Barr virus ( EBV ) is known to infect B cells and epithelial cells .
 cell type: B cells; cell type: epithelial cells
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: B cells, epithelial cells 
Answer:
 cell type: B cells; cell type: epithelial cells