For the tweet "When I think about Yondu &amp; his crew, Rocket, &amp; Groot doing 700 jumps to Ego planet, I start laughing.", classify the intensity of the emotion sadness. The possible classifications are: 0: no sadness can be inferred, 1: low amount of sadness can be inferred, 2: moderate amount of sadness can be inferred, 3: high amount of sadness can be inferred.