For the 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.", classify the emotional tone using the following list: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If no emotion is discernible, state "neutral or no emotion".
anger, disgust, pessimism, sadness