13283
Two cases of polymorphic ventricular tachycardia induced by the administration of verapamil against paroxysmal supraventricular tachycardia .
 adverse effect: polymorphic ventricular tachycardia, verapamil
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:  polymorphic ventricular tachycardia, verapamil 
Answer:
 adverse effect: polymorphic ventricular tachycardia, verapamil