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: Spurs radio commentator referred to Mauricio Pochettino as 'MoPo' and I felt a sudden surge of rage.
This tweet contains emotions: 
anger, disgust