1137
At low GSSG levels , T cells cannot optimally activate the immunologically important transcription factor NF kappa B , whereas high GSSG levels inhibit the DNA binding activity of NF kappa B .
 cell type: T cells; protein: NF kappa B; protein: transcription factor; protein: NF kappa B
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, NF kappa B, transcription factor, NF kappa B 
Answer:
 cell type: T cells; protein: NF kappa B; protein: transcription factor; protein: NF kappa B