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In the present work we assessed the effect of treatment of rats with gum Arabic on acute renal failure induced by gentamicin ( GM ) nephrotoxicity .
 Chemical: gum Arabic; Disease: acute renal failure; Chemical: gentamicin; Chemical: GM; Disease: nephrotoxicity
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: gum Arabic, acute renal failure, gentamicin, GM, nephrotoxicity 
Answer:
 Chemical: gum Arabic; Disease: acute renal failure; Chemical: gentamicin; Chemical: GM; Disease: nephrotoxicity