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: Tonight my top delight was a Skein of Geese flying about 1 foot above me as I swam in #Windermere. Breeze dropped &amp; it became like glass.
This tweet contains emotions: 
joy, optimism, trust