Given the emotion anger and the tweet "'we need to do something. something must be done!!!!!'\n\nyour anxiety is amusing. nothing will be done. despair.", classify the intensity of the emotion displayed in the tweet. The classification options are: 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.