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: Bill Clinton: 'Do not grow weary of doing good.' @ClintonGlobal #CGI2016
This tweet contains emotions: 
joy, optimism