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: @gypsydragoness wrinkling up. 'Well now, looks here like your name starts with the letter G, eh?' The man smiled up and gave a hearty +
Emotion: joy
Intensity score: 
0.519