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Moreover, simian virus 40 enhancer activity was blocked by the MnlI-AluI fragment in HeLa cells but not in B cells .
 DNA: MnlI-AluI fragment; cell type: B cells; cell line: HeLa cells
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 DNA: MnlI-AluI fragment; cell type: B cells; cell line: HeLa cells