Given the emotion anger and the tweet "How sick must someone be that they wish to 'punish' someone for not being their friend?  #insecure #lonely #miserable #vengeful #RHOC", 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.