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: Watching the NY Phil webcast.  Something missing.  Reminds me of a blithe Journey's End I once saw on Bway.  Might just be the Gershwin.
This tweet contains emotions: 
anticipation, optimism