Task: Gauge the level of intensity for emotion E in the tweet, assigning it a score between 0 and 1. A score of 0 indicates the lowest intensity, while a score of 1 indicates the highest intensity.
Tweet: The return of Matt Damon, and of director Paul Greengrass, brings back all the exhilarating if rather po-faced entertainment to a movie
Emotion: joy
Intensity score: 
0.500