Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given 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