3240
Interferon regulatory factor 2 ( IRF-2 ) is a transcriptional regulatory protein that terminates interferon beta expression initiated by interferon regulatory factor 1 .
 protein: IRF-2; protein: transcriptional regulatory protein; protein: interferon regulatory factor 1; protein: Interferon regulatory factor 2; protein: interferon beta
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: IRF-2, transcriptional regulatory protein, interferon regulatory factor 1, Interferon regulatory factor 2, interferon beta 
Answer:
 protein: IRF-2; protein: transcriptional regulatory protein; protein: interferon regulatory factor 1; protein: Interferon regulatory factor 2; protein: interferon beta