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: 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