5697
Furthermore, similar levels of NF kappa B were found in the cytosols of unactivated T cells from both young and elderly donors suggesting that precursor levels of NF kappa B remain unaltered during aging.
 protein: NF kappa B; protein: NF kappa B; cell type: T cells
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: NF kappa B, NF kappa B, T cells 
Answer:
 protein: NF kappa B; protein: NF kappa B; cell type: T cells