Task: Categorize the tweet based on the intensity of the specified emotion E, capturing the tweeter's mental state. 0: no E can be inferred. 1: low amount of E can be inferred. 2: moderate amount of E can be inferred. 3: high amount of E can be inferred.
Tweet: I want to digital art so bad, but my dad won't let me use my iPad till exams are over 😂
Emotion: sadness
Intensity class: 
1: low amount of sadness can be inferred