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: They tend to loosen up a bit when drunk, and can seem pretty cheerful.
Emotion: joy
Intensity class: 
1: low amount of joy can be inferred