Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
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