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 understand now...if it's not pleasing to the ear...then it ain't what you want! I'm so so tired!!
Emotion: joy
Intensity class: 