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: The object of literature is to make man a wiser and happier being. The poet makes us happy because he tells us how we may become so.
Emotion: joy
Intensity class: 