Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray the tweeter's mental state.
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