Determine the emotional tone of the following tweet: "I've been in such a bad mood this week, and work has been horrific, so I decided to start a scrapbook of my summer vacation". 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, fear, sadness