Read the tweet "#depressed Today was bitter sweet watching all the kids go back to school made me really miss my babies. I'm so broke #backtoschool2017" and determine the level of sadness present. Select from these options: 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.