Assess the level of the emotion sadness in the tweet provided. Use the following categories: 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.
Tweet: when season 13 of greys anatomy premieres today. it you're only on season 7 #sadness :(
2: moderate amount of sadness can be inferred