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: #personaldevelopment\n\nToday is a gift, that's why it's called the present... #happiness #optimism #entrepreneur #personaldevelopment …
Emotion: joy
Intensity score: 
0.646