Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Feelings got cheated when I mistook the sparkling ribena to be the normal ribena......
This tweet contains emotions: 
anger, disgust, pessimism, sadness