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: @MrMalky @kwr66 How awful! Switched off!
This tweet contains emotions: 
anger, disgust, pessimism, sadness