8121
Impaired fetal thymocyte development after efficient adenovirus -mediated inhibition of NF-kappa B activation .
 cell type: fetal thymocyte; 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: fetal thymocyte, NF-kappa B 
Answer:
 cell type: fetal thymocyte; protein: NF-kappa B