Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
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