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We report the case of a 51-year - old man in whom IFN - alpha treatment was followed by recurrence of Graves ' disease 10 years after thyroidectomy was performed and the patient was declared cured .
 adverse effect: Graves ' disease, IFN - alpha
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: Graves ' disease, IFN - alpha