8637
We previously reported that the role of reactive oxygen intermediates ( ROIs ) in NF-kappaB activation by proinflammatory cytokines was cell specific.
 protein: proinflammatory cytokines; protein: NF-kappaB
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: proinflammatory cytokines, NF-kappaB 
Answer:
 protein: proinflammatory cytokines; protein: NF-kappaB