Assess the level of the emotion sadness in the tweet provided. Use the following categories: 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: @antoboyle I so wish you could someday come to Spain with the play, I can't believe I'm not going to see it #sad
3: high amount of sadness can be inferred