Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
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