Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: To'Why can't we brothers protect one another? No one's serious, and it makes me furious. Don't be misled, just think of Fred.' #mayfield
This tweet contains emotions: 
anger, disgust, sadness