8857
Chronic hydroxychloroquine use associated with QT prolongation and refractory ventricular arrhythmia .
 adverse effect: QT prolongation, hydroxychloroquine; adverse effect: refractory ventricular arrhythmia, hydroxychloroquine
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:  QT prolongation, hydroxychloroquine; refractory ventricular arrhythmia, hydroxychloroquine 
Answer:
 adverse effect: QT prolongation, hydroxychloroquine; adverse effect: refractory ventricular arrhythmia, hydroxychloroquine