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: @zavvi @zavvihelp only offering 6 moth warranty #ps4pro #shocking #truth #ripoff
This tweet contains emotions: 
anger, disgust, sadness, surprise