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: Good morning.Let's start with a smile!\nLet's enjoy life in a cheerful way!\nDon't worry be happy!
Emotion: joy
Intensity class: 
3: high amount of joy can be inferred