7895
Epstein-Barr virus nuclear antigen 2 ( EBNA2 ), a protein involved in cell transformation, interferes with the cellular response to type I interferons ( IFN-alpha/beta ).
 protein: Epstein-Barr virus nuclear antigen 2; protein: IFN-alpha/beta; protein: EBNA2; protein: type I interferons
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: Epstein-Barr virus nuclear antigen 2, IFN-alpha/beta, EBNA2, type I interferons 
Answer:
 protein: Epstein-Barr virus nuclear antigen 2; protein: IFN-alpha/beta; protein: EBNA2; protein: type I interferons