Determine how strongly sadness is expressed in the following tweet. Use the scale: 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: Wearing all black tomorrow as I continue to mourn the lives of the most recent victims of police brutality. #blackout #WU
3: high amount of sadness can be inferred