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: Learning is key while converting your leaning to someone else is door, so when you do both you will open the door of success.\n\n#x33 #smile
Emotion: joy
Intensity class: 
2: moderate amount of joy can be inferred