12788
These results suggest that transformation of primary B cells with EBV induces IL-12 expression potentially through LMP1 expression .
 protein: IL-12; protein: LMP1; cell type: primary B 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-12, LMP1, primary B cells 
Answer:
 protein: IL-12; protein: LMP1; cell type: primary B cells