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Overexpression of copper / zinc - superoxide dismutase protects from kanamycin - induced hearing loss .
 Chemical: copper; Chemical: zinc; Chemical: superoxide; Chemical: kanamycin; Disease: hearing loss
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: copper; Chemical: zinc; Chemical: superoxide; Chemical: kanamycin; Disease: hearing loss