Analyze the tweet "Sometimes it takes #sadness to know happiness, #noise to appreciate #silence and absence to value presence." to classify the intensity of the emotion sadness. Your 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