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