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Similarly, IL-2 activates NF-kappa B in the human monocytic cell line U 937 , but not in resting human T-cells .
 cell type: resting human T-cells; protein: IL-2; protein: NF-kappa B; cell line: human monocytic cell line U 937
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:
 cell type: resting human T-cells; protein: IL-2; protein: NF-kappa B; cell line: human monocytic cell line U 937