Task: Determine the level of emotion E in the tweet by categorizing it into one of four intensity levels, reflecting the user's emotional expression. 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: I can't afford to be unhappy. I've made it this far and there isn't anything or anyone that's going to take my happiness away.
Emotion: anger
Intensity class: 