5360
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 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:  confusion, nefazodone; gray areas, nefazodone; headache, nefazodone 
Answer:
 adverse effect: confusion, nefazodone; adverse effect: gray areas, nefazodone; adverse effect: headache, nefazodone