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: Root canal therapy has had a bad reputation in the past... but new technology has allowed more comfortable procedures!  #dental
This tweet contains emotions: 
anticipation, joy, optimism, surprise