Using the tweet "One chair is having the munchies. Are Alpacas edible? #afraid #WhattheFAC #SalientFAC #Salient2017", 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.