Look at the tweet "Can't sleep? Slip on your Pickle Shoes and take a jog so you can forget about your sadness. #insomnia   #nightwalks #shoe" and 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.