Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @RobertWesley3 I'm #mad that my brother is #sad ! Feel better bub!
This tweet contains emotions: 
anger, pessimism, sadness