Assess the level of the emotion sadness in the tweet provided. Use the following categories: 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: Rooney is 5 yards off the pace in a League Cup game against Northampton Town. Let that sink in for a moment. #MUFC
0: no sadness can be inferred