Task: Categorize the tweet's emotional expression, classifying 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 reflect the tweeter's state of mind.
Tweet: I despair at the mouth foaming hostility &amp; dishonesty of those in the Leave camp, &amp; we should expose that.
This tweet contains emotions: 
anger, disgust, sadness