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: @eNCA what they should be doing is directing their anger to the thieves in government...#corruption #FeesMustFall
This tweet contains emotions: 
anger, disgust, sadness