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: There's many things I don't care about, and many things I do that I don't speak on because it's such a heaviness even when released...
This tweet contains emotions: 
fear, pessimism, sadness