5537
We report a case admitted with a first - detected , symptomatic paroxysmal atrial fibrillation in a healthy patient after self - medication with vardenafil .
 adverse effect: symptomatic paroxysmal atrial fibrillation, vardenafil
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: symptomatic paroxysmal atrial fibrillation, vardenafil