Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
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