11887
Physical interactions between Ets and NF-kappaB/NFAT proteins play an important role in their cooperative activation of the human immunodeficiency virus enhancer in T cells .
 cell type: T cells; DNA: human immunodeficiency virus enhancer
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: T cells, human immunodeficiency virus enhancer 
Answer:
 cell type: T cells; DNA: human immunodeficiency virus enhancer