Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: @paulkrugman relentless echo chamber - negative comments with lots of reverb. Typical bully behavior.
This tweet contains emotions: 
anger, disgust