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: Today is the first time any math professor let us live early before the class time !!! #15 min #feelsgood #happy #wednesday #
Emotion: joy
Intensity class: 
3: high amount of joy can be inferred