13698
Sixteen hours after the first administration of IFN , IFN was suspended by the symptoms of congestive heart failure ( CHF ) .
 adverse effect: CHF, IFN; adverse effect: congestive heart failure, IFN
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:  CHF, IFN; congestive heart failure, IFN 
Answer:
 adverse effect: CHF, IFN; adverse effect: congestive heart failure, IFN