5238
Bone marrow aplasia and severe skin rash after a single low dose of methotrexate .
 adverse effect: Bone marrow aplasia, methotrexate; adverse effect: severe skin rash, 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:  Bone marrow aplasia, methotrexate; severe skin rash, methotrexate 
Answer:
 adverse effect: Bone marrow aplasia, methotrexate; adverse effect: severe skin rash, methotrexate