For the tweet "I have actually watch drugs destroy an entire family 😢Mother's on skid row. Oldest daughter lost her child. Father is estranged. #horrific", classify the intensity of the emotion sadness. The possible classifications 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.