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: @simon_penn_r @AntisocialJW2 has turned into a rather fiery GG radical)
This tweet contains emotions: 
anger, sadness