Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given 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