Task: Determine the appropriate intensity class for the tweet, reflecting the level of emotion E experienced 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: Had frustration dream that left me utterly f**king furious. Plus side: so angry couldn't sleep, wrote 1500 words. Minus side: still raging!
Emotion: anger
Intensity class: 