Task: Evaluate the tweet and classify the intensity level of emotion E exhibited by 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: Whether my glass is half empty or its half full. I'm just grateful I even have a glass and that there's something in it.\n #optimism 🤔
Emotion: joy
Intensity class: 