Classify the emotions found in the 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". 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, fear, sadness