4638
It was found that treatment with IFN-gamma induces changes in the occupancy of the DRA gene regulatory sequences by nuclear factors .
 protein: nuclear factors; protein: IFN-gamma; DNA: DRA gene regulatory sequences
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: nuclear factors, IFN-gamma, DRA gene regulatory sequences 
Answer:
 protein: nuclear factors; protein: IFN-gamma; DNA: DRA gene regulatory sequences