13174
The addition of oxygen radical scavenger enzymes ( catalase , superoxide dismutase ) and antioxidant ( probucol ) inhibited these events.
 protein: oxygen radical scavenger enzymes; protein: catalase; protein: superoxide dismutase
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: oxygen radical scavenger enzymes, catalase, superoxide dismutase 
Answer:
 protein: oxygen radical scavenger enzymes; protein: catalase; protein: superoxide dismutase