4643
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 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:  colitis, sulfamethoxazole; colitis, trimethoprim; pseudomembranous colitis, sulfamethoxazole; pseudomembranous colitis, trimethoprim 
Answer:
 adverse effect: colitis, sulfamethoxazole; adverse effect: colitis, trimethoprim; adverse effect: pseudomembranous colitis, sulfamethoxazole; adverse effect: pseudomembranous colitis, trimethoprim