Evaluate the intensity of sadness in the tweet "We join our sister's in #SA as they mourn the death of a bright star #PrudenceMabele. RIP sis, till we meet again. #AfriFem". Choose from these 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.