Task: Determine the dominant emotion in the tweet and classify it as either 'neutral or no emotion' or one of the eleven provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @zavvi @zavvihelp only offering 6 moth warranty #ps4pro #shocking #truth #ripoff
This tweet contains emotions: 
anger, disgust, sadness, surprise