Given the emotion sadness and the tweet "@British_Airways just came of BA6426 at @ortambo_int at least 6 passengers with broken bags. This was a new suitcase. #unhappy customer", 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.
3: high amount of sadness can be inferred