4281
Tax is localized to the DNA through its interaction with the site-specific activators cyclic AMP-responsive element-binding protein , NF-kappaB , and serum response factor .
 protein: cyclic AMP-responsive element-binding protein; protein: NF-kappaB; protein: serum response factor; protein: site-specific activators; protein: Tax
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: cyclic AMP-responsive element-binding protein, NF-kappaB, serum response factor, site-specific activators, Tax 
Answer:
 protein: cyclic AMP-responsive element-binding protein; protein: NF-kappaB; protein: serum response factor; protein: site-specific activators; protein: Tax