Given the emotion sadness and the tweet "it's sad when you talk to someone about ya past n how it fucked you up and then they do the same thing like people really don't have hearts", 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.
3: high amount of sadness can be inferred