14236
After 1 week of nefazodone therapy the patient experienced headache , confusion , and " gray areas " in her vision , without abnormal ophthalmologic findings .
 adverse effect: confusion, nefazodone; adverse effect: gray areas, nefazodone; adverse effect: headache, nefazodone
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: confusion, nefazodone; adverse effect: gray areas, nefazodone; adverse effect: headache, nefazodone