Analyze the tweet "@knology has providing customers w/equipment that doesn't deliver speeds of internet services that they have been charging. #unhappy #scam" to classify the intensity of the emotion sadness. Your 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