8737
High-level replication of human immunodeficiency virus in thymocytes requires NF-kappaB activation through interaction with thymic epithelial cells .
 cell type: thymocytes; cell type: thymic epithelial cells; 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: thymocytes, thymic epithelial cells, NF-kappaB 
Answer:
 cell type: thymocytes; cell type: thymic epithelial cells; protein: NF-kappaB