Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
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