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We report the case of a 20-year - old female with polyarteritis nodosa ( PAN ) who developed bilateral sensorineural hearing loss 25 minutes after receiving 30 mg of intravenous ketoralac .
 adverse effect: bilateral sensorineural hearing loss, ketoralac
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:  bilateral sensorineural hearing loss, ketoralac 
Answer:
 adverse effect: bilateral sensorineural hearing loss, ketoralac