Given the emotion sadness and the tweet "@AGlyndwr @TeaPainUSA All I know is the sentence will start with 'look...' like any high school punk would start a threat.", 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.