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: But is it your fault you worked hard and stayed the course until eventually it all paid off, no! so let it be known and count up!
This tweet contains emotions: 
anger, optimism