Given the emotion sadness and the tweet "U know u have too much on ur mind when u find yourself cleaning a stove and kitchen by yourself  at almost 3am...  #pensive", 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