6755
These results suggest that p47phox is involved in the signal transduction of IL-4 in B cells .
 cell type: B cells; protein: IL-4
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: B cells, IL-4 
Answer:
 cell type: B cells; protein: IL-4