8953
A generalized tonic - clonic seizure occurred a few minutes after injection of the morphine antagonist naloxone .
 generalized tonic - clonic seizure, naloxone
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 generalized tonic - clonic seizure, naloxone