Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
Tweet: Haven't gotten one hour of sleep... Today is going to be a fun day 😐
This tweet contains emotions: 
pessimism, sadness