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: @FitnessFirstAU something needs to be done about people hogging machines - nobody can use 3 machines at one time!  #notfair #whypay
3: high amount of anger can be inferred