Given the emotion sadness and the tweet "The labor of love is not cheap or inexpensive, it's the time spent earning it. #lackadaisical #dreamer", 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.
0: no sadness can be inferred