Evaluate the tweet for the intensity of the emotion sadness. The categories are as follows: 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: @British_Airways just came of BA6426 at @ortambo_int at least 6 passengers with broken bags. This was a new suitcase. #unhappy customer
3: high amount of sadness can be inferred