Given the emotion sadness and the tweet "I’m so glad I’m not like some of the sad people online who gossip and bully others for their entertainment because they have no life.", 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.