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: Hey u never know, Channel 4's version of #GBBO might actually be quite good. A few adverts aren't the end of the world. #optimism
Emotion: joy
Intensity class: 
0: no joy can be inferred