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: Day 3 of #harvest16 - listening to the sound of the chopper working it's way closer to home at @mountaindairy makes me . #farm365
This tweet contains emotions: 
joy