For the tweet "@SkyUK not impressed by your customer support. Forcing customers to use fb chat or sms! Very slow. issue is not getting sorted", assess the intensity of the emotion sadness. Choose one of the following: 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.