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: .@RepDelBene: 'Today's proceedings and the entire process is an insult to our constituents.'
This tweet contains emotions: 
anger, disgust