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Here we show that the murine PU.1 promoter is also specifically and highly functional in B cell lines as well.
 cell line: B cell lines; DNA: murine PU.1 promoter; protein: PU.1; DNA: PU.1 promoter
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 cell lines, murine PU.1 promoter, PU.1, PU.1 promoter 
Answer:
 cell line: B cell lines; DNA: murine PU.1 promoter; protein: PU.1; DNA: PU.1 promoter