Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: This night, room polluted with syringes, notebooks and shadows moving, this kind of night! Away melancholy, away!
This tweet contains emotions: 
pessimism, sadness