2894
A 53-year-old man developed lower leg edema 4 weeks after rosiglitazone was increased from 4 mg once/day to 4 mg twice/day.
 adverse event: after 
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: after 