12029
IL-2 promoter activation in Jurkat T cells stimulated with superantigen presented by Raji B cells requires CD28 activation .
 DNA: IL-2 promoter; protein: CD28; cell line: Raji B cells; cell line: Jurkat T cells; protein: IL-2
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: IL-2 promoter, CD28, Raji B cells, Jurkat T cells, IL-2 
Answer:
 DNA: IL-2 promoter; protein: CD28; cell line: Raji B cells; cell line: Jurkat T cells; protein: IL-2