Task: Classify the tweet into one of four ordinal intensity levels, indicating the degree of emotion E experienced by the tweeter. 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: It's amazing how something gets stuck in your head, and you can't shake a memory...  Sometimes, I miss people a lot.  Wish they knew.
Emotion: fear
Intensity class: 
1: low amount of fear can be inferred