Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given 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