20927
Additionally , Cu exposure suppressed total - superoxide dismutase ( T - SOD ) , CuZnSOD and catalase ( CAT ) activities , and these changes were completely blocked by co - treatment with sufficient MI concentrations .
 Chemical: Cu; Chemical: superoxide
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: Cu, superoxide 
Answer:
 Chemical: Cu; Chemical: superoxide