12457
Cerebral demyelinating disease developed in a patient during adjuvant therapy with levamisole for malignant melanoma .
 adverse effect: Cerebral demyelinating disease, levamisole
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:  Cerebral demyelinating disease, levamisole 
Answer:
 adverse effect: Cerebral demyelinating disease, levamisole