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Interferon-gamma ( IFN-gamma ) is an important immunoregulatory protein produced predominantly by T cells and large granular lymphocytes ( LGL ) in response to different extracellular signals .
 protein: IFN-gamma; cell type: T cells; protein: Interferon-gamma; cell type: large granular lymphocytes; cell type: LGL; protein: immunoregulatory protein
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, T cells, Interferon-gamma, large granular lymphocytes, LGL, immunoregulatory protein 
Answer:
 protein: IFN-gamma; cell type: T cells; protein: Interferon-gamma; cell type: large granular lymphocytes; cell type: LGL; protein: immunoregulatory protein