Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Back in the big time after selection last night. Absolutely buzzing. Bring on the roaches #SG16 #kickittomehigh #nswgaa #blues #statevstate
This tweet contains emotions: 
joy, optimism