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: @greencapt there's something to note in the fact that the mask manufacturer produced her smiling and him frowning.
1: low amount of sadness can be inferred