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: A decent sleep makes Kurt a happy soldier. Spit &amp; polish the converse men. chests out and baseball caps at a jaunty angle.
This tweet contains emotions: 
joy