5844
In contrast, IL-2 induces a rapid and transient tyrosine and serine phosphorylation of Stat3 .
 protein: IL-2; protein: Stat3
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, Stat3 
Answer:
 protein: IL-2; protein: Stat3