Task: Determine the emotional state reflected in the tweet, categorizing it as 'neutral or no emotion' or as one or more of the specific emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best characterize the emotional tone.
Tweet: @ArrivaTW Hats off your excellent Tetris like ability to pack 5000 passengers into a 2  carriage train on rush hour. #awkwardorgy #bitter
This tweet contains emotions: 