Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given 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