Task: Analyze the tweet's emotional connotations 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 best portray the tweeter's mental state.
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