Assess the level of the emotion sadness in the tweet provided. Use the following categories: 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.
Tweet: There's many things I don't care about, and many things I do that I don't speak on because it's such a heaviness even when released...
2: moderate amount of sadness can be inferred