2844
A search of the United States Food and Drug Administration 's Adverse Event Reporting System identified nine cases of oxcarbazepine - associated angioedema in pediatric patients aged 16 years and younger .
 adverse effect: angioedema, oxcarbazepine
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:  angioedema, oxcarbazepine 
Answer:
 adverse effect: angioedema, oxcarbazepine