Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: Just got back from seeing @GaryDelaney in Burslem. AMAZING!! Face still hurts from laughing so much
This tweet contains emotions: 
joy