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: Such merriment &amp; laughter from @dadwroteaporno at @KingsPlace &amp; an instructional PowerPoint presentation.Well done to all concerned &amp; thanks
This tweet contains emotions: 
joy, optimism