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: @nytimes media celebrated Don King endorsing #Obama in 08 and 12 now criticize him for endorsing #Trump who wants new Civil Rights era- sad
This tweet contains emotions: 
disgust, sadness