2074
Both antioxidants inhibited TNF -or PMA- induced NF-kappa B activity in U1 cells , as well as the sustained NF-kappa B activity permanently induced by the virus itself in chronically HIV -infected U937 cells .
 cell line: U937 cells; protein: TNF; cell line: U1 cells; protein: NF-kappa B; 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: U937 cells, TNF, U1 cells, NF-kappa B, NF-kappa B 
Answer:
 cell line: U937 cells; protein: TNF; cell line: U1 cells; protein: NF-kappa B; protein: NF-kappa B