Task: Determine the appropriate intensity class for the tweet, reflecting the level of emotion E experienced by 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: Body is sleepy but the mind is active. So sad... Have to get ready for work in 30 minutes. Damn! #restless
Emotion: fear
Intensity class: 
1: low amount of fear can be inferred