Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
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