Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Not sorry for that burst of anti #Allo spam, fuck any messaging app launching in 2016, without encryption on by default.
This tweet contains emotions: 
anger, disgust