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: Riding at night has got to be one of the most exhilarating, refreshing things I have ever done.
Emotion: joy
Intensity class: 
2: moderate amount of joy can be inferred