Task: Determine the appropriate intensity category of emotion E for the tweet, reflecting 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: Update: I have yet to hang out with @MisElizaJane, but I'm still hopeful! #optimism
Emotion: joy
Intensity class: 
1: low amount of joy can be inferred