3156
The macrophage transcription factor PU.1 directs tissue-specific expression of the macrophage colony-stimulating factor receptor .
 protein: macrophage transcription factor; protein: PU.1; protein: macrophage colony-stimulating factor receptor
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: macrophage transcription factor, PU.1, macrophage colony-stimulating factor receptor 
Answer:
 protein: macrophage transcription factor; protein: PU.1; protein: macrophage colony-stimulating factor receptor