Task: Determine the dominant emotion in the tweet and classify it as either 'neutral or no emotion' or one of the eleven provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: This night, room polluted with syringes, notebooks and shadows moving, this kind of night! Away melancholy, away!
This tweet contains emotions: 
pessimism, sadness