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: Worst thing that's happened to you when flying? I had a 16h delay, left my phone in the terminal, and wallet on the plane #nightmare
Emotion: fear
Intensity class: 
3: high amount of fear can be inferred