3003
As a target for DNA methylation and for binding of transcription factors that mediate or impede transcription, this element appears to play a central role in controlling IFN-gamma expression .
 protein: IFN-gamma; protein: transcription factors
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: IFN-gamma, transcription factors 
Answer:
 protein: IFN-gamma; protein: transcription factors