6558
When a therapy proves effective, do clinicians truly know how it works? Even with a therapy as specific as anti-TNF antibody , it is not clear if the benefit is attributable to simple binding and clearance of TNF-alpha or to binding on the cell surface and subsequent deletion of the activated macrophage .
 protein: anti-TNF antibody; cell type: activated macrophage; protein: TNF-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: anti-TNF antibody, activated macrophage, TNF-alpha 
Answer:
 protein: anti-TNF antibody; cell type: activated macrophage; protein: TNF-alpha