Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: This is kind of fucked up, but my brother is about to join the police academy....and I'm not happy about. And I'm not the only one.
This tweet contains emotions: 
anger, disgust, pessimism, sadness