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: @bt_uk broadband is shocking regretting signing up now #angry #shouldofgonewithvirgin
This tweet contains emotions: 
anger, disgust