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: @antoboyle I so wish you could someday come to Spain with the play, I can't believe I'm not going to see it
This tweet contains emotions: 
joy, optimism, sadness