4757
Post marketing studies of Interferon - beta ( IFN beta ) therapy in multiple sclerosis ( MS ) have demonstrated surprisingly high rates of hepatotoxicity .
 adverse effect: hepatotoxicity, IFN beta; adverse effect: hepatotoxicity, Interferon - beta
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:  hepatotoxicity, IFN beta; hepatotoxicity, Interferon - beta 
Answer:
 adverse effect: hepatotoxicity, IFN beta; adverse effect: hepatotoxicity, Interferon - beta