Analyze the tweet "@jamesmb @DonaldJTrumpJr His knife is clean. He is tough enough to fire a gun, but not tough enough to get his hands dirty. #awful" 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.