5472
Epstein - Barr virus - associated lymphoproliferative disorder in a patient with rheumatoid arthritis on methotrexate and rofecoxib : idiosyncratic reaction or pharmacogenetics ?
 adverse effect: Epstein - Barr virus - associated lymphoproliferative disorder, methotrexate; adverse effect: Epstein - Barr virus - associated lymphoproliferative disorder, rofecoxib
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:  Epstein - Barr virus - associated lymphoproliferative disorder, methotrexate; Epstein - Barr virus - associated lymphoproliferative disorder, rofecoxib 
Answer:
 adverse effect: Epstein - Barr virus - associated lymphoproliferative disorder, methotrexate; adverse effect: Epstein - Barr virus - associated lymphoproliferative disorder, rofecoxib