Given the emotion sadness 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 sadness can be inferred, 1: low amount of sadness can be inferred, 2: moderate amount of sadness can be inferred, 3: high amount of sadness can be inferred.