7655
The first patient developed a monoarthritis 2 weeks after initiation of IFN - beta , which persisted during the 14 months of therapy and resolved with discontinuation of the medication .
 adverse effect: monoarthritis, IFN - beta
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: monoarthritis, IFN - beta