Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given 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