Task: Evaluate the tweet for emotional cues and classify 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 indicate the tweeter's state of mind.
Tweet: That was absolutely the two worst National Anthem singers I've ever heard, both of them screwed up the words #awful
This tweet contains emotions: 
anger, disgust, pessimism, sadness