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: @VeyGraphics I had to unfollow, he got trolled by trolls. His revenge trolling just caused a lot of collateral damage.
This tweet contains emotions: 
anger, disgust