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: The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails.
This tweet contains emotions: 
joy, optimism, pessimism