Task: Rate the intensity of emotion E in the tweet on a scale of 0 to 1, with 0 indicating the least intensity and 1 indicating the highest intensity.
Tweet: Hey @PapaJohnsUK I've been charged £40.24 on my credit card 4 an order which never arrived last Friday, any chance of a refund!! #nightmare
Emotion: fear
Intensity score: 
0.646