Task: Evaluate the strength of emotion E in the tweet, providing a real-valued score from 0 to 1. A score of 0 denotes the absence of the emotion, while a score of 1 indicates the highest degree of intensity.
Tweet: Their engine runs on fuel called whining :-)\n\nU jst  hv 2b observant..\nHar din Rona dhona &amp; complain. \nHappy news makes them unhappy :-)
Emotion: sadness
Intensity score: 
0.479