2131
An episode of subacute encephalopathy after the infusion of a moderate dose of methotrexate ( 1500 mg / m2 ) ( MTX ) is reported in a young adult with metastastic gastric cancer .
 adverse effect: encephalopathy, methotrexate
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: encephalopathy, methotrexate