Determine the emotional tone of the following 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.". Use the provided emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. Respond with the emotions you identify or "neutral or no emotion".
anger, disgust, pessimism, sadness