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: Sky news still pushing the Brexit gloom line, managing to ignore the fact it's simply not happening. 'But in the future.....'
0: no sadness can be inferred