3806
IFN alpha levels were increased in the AIDS -GR group (17 +/- 6 vs.
 protein: IFN alpha
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: IFN alpha 
Answer:
 protein: IFN alpha