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: Shame the cashback @mbna @AmexUK credit card comes to an end. I used to look forward to that end of year bonus. Sad really. #cashback
This tweet contains emotions: 
disgust, sadness