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: That moment when you look back and realise you've been a #selfish #horrible #judgemental person. #FeelingAshamed
This tweet contains emotions: 
anger, disgust, pessimism, sadness