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: Corbyn loses and I walk up to a crying Corbyn supporter and whisper\n\n'Don't mourn. Organise'\n\nAnd laugh and laugh
This tweet contains emotions: 
joy, optimism, sadness