13505
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 a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 adverse effect: CHF, IFN; adverse effect: congestive heart failure, IFN