7215
The findings suggest that when SOCS-3 is rapidly induced by IL-2 in T cells , it acts to inhibit IL-2 responses in a classical negative feedback loop .
 protein: IL-2; protein: IL-2; protein: SOCS-3; cell type: T cells
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: IL-2, IL-2, SOCS-3, T cells 
Answer:
 protein: IL-2; protein: IL-2; protein: SOCS-3; cell type: T cells