2014
PURPOSE : To describe bilateral corneal endothelial dysfunction in a patient with Parkinson disease who was treated with long - term amantadine .
 adverse effect: bilateral corneal endothelial dysfunction, amantadine
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:  bilateral corneal endothelial dysfunction, amantadine 
Answer:
 adverse effect: bilateral corneal endothelial dysfunction, amantadine