12104
Here we demonstrate that the putative GAS element in the CAEV LTR binds specifically to a cellular factor induced by IFN-gamma in promonocytic cells .
 DNA: CAEV LTR; DNA: GAS element; protein: cellular factor; cell type: promonocytic cells; protein: IFN-gamma
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: CAEV LTR, GAS element, cellular factor, promonocytic cells, IFN-gamma 
Answer:
 DNA: CAEV LTR; DNA: GAS element; protein: cellular factor; cell type: promonocytic cells; protein: IFN-gamma