1073
Persistent HIV infection of U937 monocytic cells results in NF-kappa B activation .
 cell line: U937 monocytic cells; 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 monocytic cells, NF-kappa B 
Answer:
 cell line: U937 monocytic cells; protein: NF-kappa B