Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray the tweeter's mental state.
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