Task: Determine the prevailing emotional tone of the tweet, categorizing 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 most accurately represent the tweeter's mental state.
Tweet: @ClvlndK8 It's so sad! There's always such optimism with a new year. This is...not good. @BuckshotBandit1 @dapostrophearcy
This tweet contains emotions: 
disgust, pessimism, sadness