Classify the emotions found in 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.". Select from the following: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If the tweet is emotionless, reply "neutral or no emotion".
anger, disgust, pessimism, sadness