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: omg so grateful to have an education but ive been back at school for 2 (two) days and my back hurts, im exhausted and breaking out already 😍
Emotion: joy
Intensity class: 
0: no joy can be inferred