Task: Evaluate the tweet for emotional cues 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 indicate the tweeter's state of mind.
Tweet: the Bushes were good with the forces of resentment when it made them money and gave them power. Now that it doesn't they've changed tunes.
This tweet contains emotions: 
anger, disgust, pessimism, sadness