For the tweet "When did it all started? All these depression &amp; anxiety shits?All these suicide thoughts?All of these bad thoughts thts hugging me at night?", classify the intensity of the emotion sadness. The possible classifications 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.