Determine the emotional tone of the following tweet: "There is no dark side in the moon. In fact, it's all dark.'\nGerry O'Driscoll at the end of 'The Dark side of the Moon'". 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".
anticipation, pessimism