Assess the level of the emotion anger in the tweet provided. Use the following categories: 0: no anger can be inferred, 1: low amount of anger can be inferred, 2: moderate amount of anger can be inferred, 3: high amount of anger can be inferred.
Tweet: He totally knew about it'. Trump finally gets revenge for his son-in-law's prosecution/imprisonment and throws Christie under the bus.
1: low amount of anger can be inferred