4380
A 17-year - old boy with acute lymphoblastic leukemia developed acute renal failure within 48 h of an intravenous high - dose methotrexate ( 5 g / m2 ) infusion .
 adverse effect: acute renal failure, methotrexate
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:  acute renal failure, methotrexate 
Answer:
 adverse effect: acute renal failure, methotrexate