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: @_iConceitedOne_  Hi! We hate that you're unhappy your bill keeps going up! What unique features do you want with your plan? ^RobertS
This tweet contains emotions: 
disgust, optimism, sadness