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'll just have to #eat my way to #sobriety. This'll be a hell of a journey back to #sober
2: moderate amount of sadness can be inferred