Determine the emotional tone of the following tweet: "I've realized my anxiety is at an all time high when I'm in my office. I feel prisoned here and I pick up on bad energy.". 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".
disgust, fear, pessimism, sadness