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: There is something v satisfying about  opening an old 'to do'.doc file and being able to check off all the things you have done #smiling
This tweet contains emotions: 
joy, love, optimism