1019
Injury was positively correlated with superoxide production and the activities of nucleus - encoded mitochondrial or cytoplasmic enzymes .
 Chemical: superoxide
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
 Entities: superoxide 
Answer:
 Chemical: superoxide