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Activity of the kappa B enhancer of the interleukin-2 receptor alpha chain in somatic cell hybrids is accompanied by the nuclear localization of NF-kappa B .
 DNA: kappa B enhancer; protein: interleukin-2 receptor alpha chain; cell line: somatic cell hybrids; protein: NF-kappa B
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:
 DNA: kappa B enhancer; protein: interleukin-2 receptor alpha chain; cell line: somatic cell hybrids; protein: NF-kappa B