13512
Methotrexate - induced hepatic necrosis requiring liver transplantation in a patient with rheumatoid arthritis .
 adverse effect: hepatic necrosis, 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:  hepatic necrosis, Methotrexate 
Answer:
 adverse effect: hepatic necrosis, Methotrexate