For the tweet "I'm so proud he understands this, he shows love, thought and compassion    and it's not done in a clouded way..", 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.
0: no sadness can be inferred