Given the emotion sadness and the tweet "I want to digital art so bad, but my dad won't let me use my iPad till exams are over 😂", rate the intensity of sadness shown. The rating scale is: 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.