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: @virginmedia shocking service for your call centre staff this evening. Transfer me and cut me off after waiting forever to speak to someone.
This tweet contains emotions: 
anger, disgust