7132
Two other patients who did not receive prochlorperazine , developed retinal problems which later improved , one after only 15 g of desferrioxamine .
 adverse effect: retinal problems, desferrioxamine
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:  retinal problems, desferrioxamine 
Answer:
 adverse effect: retinal problems, desferrioxamine