Task: Measure the level of emotion E in the tweet using a real-valued score between 0 and 1, where 0 represents the lowest intensity and 1 represents the highest intensity.
Tweet: @KitchenAidUSA  I spent over $500 on your mixer, yet the dough hook chips in my dough.  I buy a new one and the same thing happens. #unhappy
Emotion: sadness
Intensity score: 
0.869