Task: Determine the appropriate intensity class for the tweet, reflecting the level of emotion E experienced by the user. 0: no E can be inferred. 1: low amount of E can be inferred. 2: moderate amount of E can be inferred. 3: high amount of E 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
Emotion: sadness
Intensity class: 
0: no sadness can be inferred