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: @XboxMAD @RobotBrush Ballmer will be furious. Another delivery lost...
This tweet contains emotions: 
anger, disgust, sadness