Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Moment of levity n Charlotte dude on rollerblades goes skating through protesters. Better if he was wearing short shorts &amp; blowing a whistle
This tweet contains emotions: 
joy, optimism