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: @Apple thanks for ios10 update, even the best app @telegram freezing and crashing on SE. #angry
This tweet contains emotions: 
anger, disgust