10578
A 7-year - old boy developed a severe unilateral grand mal seizure at the age of 5 years ( phenobarbitone therapy ) ; 1.5 years later valproate ( 2-propylpentanoic acid , VPA ) was added to the therapy .
 severe unilateral grand mal seizure, 2-propylpentanoic acid; severe unilateral grand mal seizure, phenobarbitone; severe unilateral grand mal seizure, valproate; severe unilateral grand mal seizure, VPA
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:
 severe unilateral grand mal seizure, 2-propylpentanoic acid; severe unilateral grand mal seizure, phenobarbitone; severe unilateral grand mal seizure, valproate; severe unilateral grand mal seizure, VPA