Given the emotion sadness and the tweet "carry on my wayward son there'll be peace when you are done lay your weary head to rest don't you cry no more", 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.
1: low amount of sadness can be inferred