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: #Never be #afraid to #start over, it's a #new #chance to #rebuild what you want! 🔨🔩🏢
This tweet contains emotions: 
optimism