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: When I think about Yondu &amp; his crew, Rocket, &amp; Groot doing 700 jumps to Ego planet, I start laughing.
This tweet contains emotions: 
joy, optimism