6971
Ulcer became worse after tobramycin and gentamycin treatment for 2 days .
 adverse effect: Ulcer became worse, gentamycin; adverse effect: Ulcer became worse, tobramycin
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:  Ulcer became worse, gentamycin; Ulcer became worse, tobramycin 
Answer:
 adverse effect: Ulcer became worse, gentamycin; adverse effect: Ulcer became worse, tobramycin