Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Synth backing tracks = sadness\n#depresspop #dark #+++ #alt #fuckingmeup
This tweet contains emotions: 
pessimism, sadness