Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray the tweeter's mental state.
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