Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
Tweet: I swear if @devincameron23 blocks me I'm going to hit her back #revenge
This tweet contains emotions: 
anger, disgust