2509
Antibiotic-associated colitis (pseudomembranous colitis) developed in four patients with spinal cord injury and taking oral trimethoprim-sulfamethoxazole.
 adverse event: developed 
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: adverse event, potential therapeutic event 
Text: {0} 
Answer:
 adverse event: developed 