Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: @DKTaylorWriter I thought that was funny, too. But maybe not such a coincidence. Green must be the official color of optimism.
This tweet contains emotions: 
joy, optimism