Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: @Apple thanks for ios10 update, even the best app @telegram freezing and crashing on SE. #angry
This tweet contains emotions: 
anger, disgust