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: Sharpened a pencil today, haven't sharpened once since 1999. ✏️ #exhilarating
This tweet contains emotions: 
joy