Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified 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