Given the emotion sadness and the tweet "Didn't know the @ChickfilA cow day thing ended at 7:30 so showed up 30 min late looking like a cow with no sandwich #sadness 😅😅😅", 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.