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: Today you visited me in my dreams and even though you aren't physically gone I still mourn you
This tweet contains emotions: 
pessimism, sadness