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: #RIPBiwott I think Robert oukos soul can now rejoice and rest in peace. Call an evil man evil and a good man a good man. He was an evil man
This tweet contains emotions: 
anger, disgust