2384
MHC class II signaling in B-cell activation [see comments]
 protein: MHC class II; cell type: B-cell
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: MHC class II, B-cell 
Answer:
 protein: MHC class II; cell type: B-cell