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: @tomderivan73 😁...I'll just people watch and enjoy a rare show of optimism
This tweet contains emotions: 
anticipation, joy, optimism