8804
Specificity was determined using tetanus toxoid , endotoxin , and 3 other autoantigens ( PBC.M2 , Sc170 , and GAD ).
 protein: GAD; protein: autoantigens; protein: Sc170; protein: PBC.M2
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: GAD, autoantigens, Sc170, PBC.M2 
Answer:
 protein: GAD; protein: autoantigens; protein: Sc170; protein: PBC.M2