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Activation of lymphokine genes in T cells : role of cis-acting DNA elements that respond to T cell activation signals .
 cell type: T cells; DNA: cis-acting DNA elements; DNA: lymphokine genes
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: T cells, cis-acting DNA elements, lymphokine genes 
Answer:
 cell type: T cells; DNA: cis-acting DNA elements; DNA: lymphokine genes