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: @StaceyDavidson_ You're a thief and a liberal mope, investigated by the financial services board for theft of govt retirement funds. THIEF
2: moderate amount of sadness can be inferred