Task: Determine the appropriate intensity category of emotion E for the tweet, reflecting the emotional state of the user. 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: @Za_buhmaid Happy birthday sweety .. sweet 21 hun hope u have a wonderful day and a wondrful joyful year better than the last one, Luv U ♥
Emotion: joy
Intensity class: 
3: high amount of joy can be inferred