779
Thus, Oct-2A and HMG I/Y may synergize to activate HLA-DRA expression in B cells .
 cell type: B cells; protein: HMG I/Y; protein: Oct-2A; DNA: HLA-DRA; protein: I/Y
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, HMG I/Y, Oct-2A, HLA-DRA, I/Y 
Answer:
 cell type: B cells; protein: HMG I/Y; protein: Oct-2A; DNA: HLA-DRA; protein: I/Y