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: @SkyUK I was just put on hold for 20 minutes till I hung up. #not happy #terribleservice #unhappy @virginmedia I should have stayed...
Emotion: sadness
Intensity score: 
0.818