14594
Mutual regulation of the transcriptional activator NF-kappa B and its inhibitor, I kappa B-alpha .
 protein: NF-kappa B; protein: transcriptional activator; protein: I kappa B-alpha
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, transcriptional activator, I kappa B-alpha 
Answer:
 protein: NF-kappa B; protein: transcriptional activator; protein: I kappa B-alpha