8523
RFX-B is the gene responsible for the most common cause of the bare lymphocyte syndrome , an MHC class II immunodeficiency [published erratum appears in Immunity 1999 Mar;10(3):399]
 DNA: RFX-B; protein: MHC class II
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: RFX-B, MHC class II 
Answer:
 DNA: RFX-B; protein: MHC class II