13998
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 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: vision loss, ethambutol; adverse effect: vision loss, isoniazid