385
Atrial fibrillation occurring in a patient taking etanercept plus methotrexate for rheumatoid arthritis .
 adverse effect: Atrial fibrillation, etanercept; adverse effect: Atrial fibrillation, 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:  Atrial fibrillation, etanercept; Atrial fibrillation, methotrexate 
Answer:
 adverse effect: Atrial fibrillation, etanercept; adverse effect: Atrial fibrillation, methotrexate