13653
Antibiotic - associated colitis ( pseudomembranous colitis ) developed in four patients with spinal cord injury and taking oral trimethoprim - sulfamethoxazole .
 adverse effect: colitis, sulfamethoxazole; adverse effect: colitis, trimethoprim; adverse effect: pseudomembranous colitis, sulfamethoxazole; adverse effect: pseudomembranous colitis, trimethoprim
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: colitis, sulfamethoxazole; adverse effect: colitis, trimethoprim; adverse effect: pseudomembranous colitis, sulfamethoxazole; adverse effect: pseudomembranous colitis, trimethoprim