Task: Categorize the tweet into an intensity level of the specified emotion E, representing the mental state of the tweeter. 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: @LostGermain ' Want to have a spar?' The prince smiles and reaches for his hilt and his icy eyes keep on Aaron, a playful look in his eyes.
Emotion: joy
Intensity class: 