Task: Determine the degree of intensity for emotion E in the tweet, giving it a score between 0 and 1, where 0 signifies the least intensity and 1 signifies the greatest intensity.
Tweet: Shame the cashback @mbna @AmexUK credit card comes to an end. I used to look forward to that end of year bonus. Sad really. #cashback
Emotion: sadness
Intensity score: 
0.760