8665
Regulation of IL-4 expression by the transcription factor JunB during T helper cell differentiation .
 protein: transcription factor; protein: IL-4; protein: JunB
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: transcription factor, IL-4, JunB 
Answer:
 protein: transcription factor; protein: IL-4; protein: JunB