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: 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