11842
These results indicate that IL-6 -induced B-cell differentiation , as measured by IgM production , may be controlled by Stat3 proteins .
 protein: Stat3; protein: Stat3 proteins; protein: IgM; protein: IL-6
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: Stat3, Stat3 proteins, IgM, IL-6 
Answer:
 protein: Stat3; protein: Stat3 proteins; protein: IgM; protein: IL-6