6893
Finally, soluble CD4 ( sCD4 ) prevented virus reactivation by D1/CDR2-loop ligands .
 protein: soluble CD4; protein: CD4; protein: D1/CDR2-loop ligands; protein: sCD4
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: soluble CD4, CD4, D1/CDR2-loop ligands, sCD4 
Answer:
 protein: soluble CD4; protein: CD4; protein: D1/CDR2-loop ligands; protein: sCD4