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: Just received the fantastic news that our next 9 bed 'Sui Generis' HMO has full planning permission. Build to start 01 September. #excited
This tweet contains emotions: 
joy, optimism