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: If you love singing, but don't have time for a weekly choir, come down to #KWOIR at @theartworksuk tomorrow! #Choir #glee #musiclondon
This tweet contains emotions: 
joy, love, optimism