Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given 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