2489
Retinal abnormalities , including retinal hemorrhage and " cotton - wool " spots , often occur within the first 8 weeks in the course of interferon therapy in patients with chronic hepatitis C .
 adverse effect: " cotton - wool " spots, interferon; adverse effect: Retinal abnormalities, interferon; adverse effect: retinal hemorrhage, interferon
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:  " cotton - wool " spots, interferon; Retinal abnormalities, interferon; retinal hemorrhage, interferon 
Answer:
 adverse effect: " cotton - wool " spots, interferon; adverse effect: Retinal abnormalities, interferon; adverse effect: retinal hemorrhage, interferon