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: Failure is a part of success. You can't experience the joy of success with also experiencing failure. #bethehero #success #failure #joy
This tweet contains emotions: 
joy, optimism