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: @keprdad  BTW, George W Bush left office in ,09. We have had terrific leadership under Barack Obama. Keep America Great.
This tweet contains emotions: 
anger, disgust, joy