9882
RESULTS : Both patients experienced a previously unreported side effect -- falling backward -- associated with bupropion use .
 adverse effect: falling backward, bupropion
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 adverse effect: falling backward, bupropion