13204
Renal failure appeared 8 to 17 days after beginning gentamicin therapy and was characterized by creatinine clearances 4 to 10 ml / min , urine to plasma creatinine ratios less than 20 , urinary sodium concentrations 16 to 60 mEq / liter , proteinuria , and cylindruria .
 adverse effect: Renal failure, gentamicin
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
 Entity Pairs:  Renal failure, gentamicin 
Answer:
 adverse effect: Renal failure, gentamicin