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Prior studies have identified several transcription factors that contribute to the activity of the IL-2 promoter in stimulated T lymphocytes .
 protein: IL-2; DNA: IL-2 promoter; protein: transcription factors; cell type: stimulated T lymphocytes
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:
 protein: IL-2; DNA: IL-2 promoter; protein: transcription factors; cell type: stimulated T lymphocytes