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: Sorry to burst your bubble but it isn't that century anymore. Welcome to the 21st century.
This tweet contains emotions: 
anticipation, optimism