Task: Assign one of four ordinal intensity classes of emotion E to a given tweet based on 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: Maybe I can sleep with my chem book on my head and it will all sink in my brain
Emotion: sadness
Intensity class: 
1: low amount of sadness can be inferred