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: the waitress recognised me from last time i was in there moping, after my interview haha
This tweet contains emotions: 
joy, optimism