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: 'we need to do something. something must be done!!!!!'\n\nyour anxiety is amusing. nothing will be done. despair.
Emotion: fear
Intensity class: 