822
BACKGROUND: Etanercept is a tumor necrosis factor (TNF) inhibitor that has been licensed in the United States for the treatment of adult and juvenile rheumatoid arthritis as well as psoriatic arthritis.
 potential therapeutic event: licensed 
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:
 potential therapeutic event: licensed 