4549
When freshly isolated, highly enriched (>98%) T cells are examined for IFN-gamma responsiveness; these cells can respond to IFN-gamma and express beta-chain .
 protein: IFN-gamma; protein: IFN-gamma; cell type: T cells; protein: beta-chain
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, IFN-gamma, T cells, beta-chain 
Answer:
 protein: IFN-gamma; protein: IFN-gamma; cell type: T cells; protein: beta-chain