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: Glasgow Girls' is a real tonic @stratfordeast:an eclectic range of songs, barbed humour and eloquence in its fiery rage against injustice
2: moderate amount of anger can be inferred