Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: Absolutely hate the Apple Watch iOS 10 update. Completely buggered some of my apps, including Spark. Awful interface, too. #grim
This tweet contains emotions: 
anger, disgust, sadness