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