Using the tweet "@AaronSandhu23 I'm sorry for any disappointment Aaron. It could be worth asking to move seats if you aren't happy to sit by the exit ^BM", 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.