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: Smile at people and see what happens.  I think you'll be surprised #smile more #surprisepeople #influenceinternational
This tweet contains emotions: 
anticipation, joy, optimism