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: Panic attacks are the worst. Feeling really sick and still shaking. I should be a sleep. #anxiety #depression
Emotion: sadness
Intensity class: 
3: high amount of sadness can be inferred