407
PURPOSE : To describe the clinical and electrophysiological findings in a young boy with decreased vision possibly due to retinal damage by rifabutin .
 adverse effect: decreased vision, rifabutin; adverse effect: retinal damage, rifabutin
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:  decreased vision, rifabutin; retinal damage, rifabutin 
Answer:
 adverse effect: decreased vision, rifabutin; adverse effect: retinal damage, rifabutin