2139
METHODS : A patient who developed dramatic , permanent vision loss after a 9-month course of treatment with ethambutol and isoniazid for pulmonary tuberculosis is presented .
 adverse effect: vision loss, ethambutol; adverse effect: vision loss, isoniazid
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:  vision loss, ethambutol; vision loss, isoniazid 
Answer:
 adverse effect: vision loss, ethambutol; adverse effect: vision loss, isoniazid