8440
Ulcer became worse after tobramycin and gentamycin treatment for 2 days .
 adverse effect: Ulcer became worse, gentamycin; adverse effect: Ulcer became worse, tobramycin
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: adverse effect 
Text: {0} 
Answer:
 adverse effect: Ulcer became worse, gentamycin; adverse effect: Ulcer became worse, tobramycin