Task: Classify the tweet into one of four ordinal classes of intensity of emotion E that best represents the mental state of the tweeter. 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: oh, btw - after a 6 month depression-free time I got a relapse now... superb
Emotion: sadness
Intensity class: 
3: high amount of sadness can be inferred