Task: Assess the magnitude of emotion E in the tweet using a real number between 0 and 1, where 0 denotes the least intensity and 1 denotes the most 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