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: Do not be discouraged by a slowing sales market. This will test your business model and pinpoint #strengths and #weaknesses.' @Ken_Dunn
This tweet contains emotions: 
optimism