2458
A 71-year - old man with paroxysmal atrial fibrillation who had a previous anterior myocardial infarction exhibited granulocytopenia 8 days following the administration of oral sustained - release procainamide ( 750 mg / day ) .
 adverse effect: granulocytopenia, procainamide
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:  granulocytopenia, procainamide 
Answer:
 adverse effect: granulocytopenia, procainamide