Given the emotion sadness and the tweet "@DxfyingGrxvity - that were rather forlorn, scanning the witches house before resting back on Elphie. 'The Grimmerie is gone.'", classify the intensity of the emotion displayed in the tweet. The classification options are: 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.
1: low amount of sadness can be inferred