Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray the tweeter's mental state.
Tweet: Positive #psychology research shows salespeople who score in the top 10% for #optimism have 88% &gt; sales than those in top 10% for pessimism.
This tweet contains emotions: 
anticipation, joy, optimism