2752
Because of a hypersensitivity reaction , initial therapy with penicillin G and gentamicin was stopped and substituted with cefazolin .
 adverse effect: hypersensitivity reaction, gentamicin; adverse effect: hypersensitivity reaction, penicillin G
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:  hypersensitivity reaction, gentamicin; hypersensitivity reaction, penicillin G 
Answer:
 adverse effect: hypersensitivity reaction, gentamicin; adverse effect: hypersensitivity reaction, penicillin G