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: Never make a #decision when you're #angry and never make a #promise when you're #happy. #wisewords
Emotion: joy
Intensity score: 
0.438