Given the emotion sadness and the tweet "as a very depressed and suicidal person seeing someone sing about their own depressing life yet having fun is very relatable and encouraging", 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.
2: moderate amount of sadness can be inferred