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: Some of these people at this protest are just there for the adrenaline rush. #depressing
This tweet contains emotions: 
pessimism, sadness