Task: Determine the degree of intensity for emotion E in the tweet, giving it a score between 0 and 1, where 0 signifies the least intensity and 1 signifies the greatest intensity.
Tweet: The book that can start improving your relationship tonight.  Taking you on a journey of #fun, #laughter, #romance and #metaphysics.  htt…
Emotion: joy
Intensity score: 
0.509