Evaluate the tweet for the intensity of the emotion sadness. The categories are as follows: 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.
Tweet: I don't think Luca understands how serious I am about Fall....he has no idea what's in store for him 😂😂
0: no sadness can be inferred