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: @715d1\nI bought the Steam port of Vice City, and to my delight Billie Jean is on the soundtrack!
Emotion: joy
Intensity score: 
0.688