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: You could have over a hundred million followers and still not a genuine person who understands you or wants to #cantshakethis #sadness
This tweet contains emotions: 
pessimism, sadness