Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
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