8911
A case of toxic hepatitis caused by combination therapy with methotrexate and etretinate in the treatment of severe psoriasis is presented in a 47-year - old woman .
 adverse effect: toxic hepatitis, etretinate; adverse effect: toxic hepatitis, 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:  toxic hepatitis, etretinate; toxic hepatitis, methotrexate 
Answer:
 adverse effect: toxic hepatitis, etretinate; adverse effect: toxic hepatitis, methotrexate