9260
OBJECTIVES : A delayed stroke - like leukoencephalopathy has been observed in patients receiving methotrexate ( MTX ) for childhood leukemia .
 adverse effect: stroke - like leukoencephalopathy, methotrexate; adverse effect: stroke - like leukoencephalopathy, MTX
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: stroke - like leukoencephalopathy, methotrexate; adverse effect: stroke - like leukoencephalopathy, MTX