13261
Verapamil is widely used for the termination of paroxysmal supraventricular tachycardia ( PSVT ) with little proarrhythmic effect .
 adverse effect: proarrhythmic effect, 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:  proarrhythmic effect, Verapamil 
Answer:
 adverse effect: proarrhythmic effect, Verapamil