Using the tweet "#Deppression is real. Partners w/ #depressed people truly dont understand the depth in which they affect us. Add in #anxiety &amp;makes it worse", determine how much sadness is shown. The categories 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.