12220
This case report describes the development of asymptomatic visual field defects ( VFDs ) in a psychiatric patient with bipolar disorder receiving adjunctive tiagabine treatment .
 adverse effect: VFDs, tiagabine; adverse effect: visual field defects, tiagabine
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: VFDs, tiagabine; adverse effect: visual field defects, tiagabine