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: A cheerful heart is an unending banquet.- Proverbs (Mishle) 15:16
Emotion: joy
Intensity class: 