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: @Mc_Cabe_Conor This is it. The complete illiteracy around the role, nature and extent of British agents is shocking.
This tweet contains emotions: 
anger, disgust, surprise