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: @mcharlesworth7 Forget the hair, that salon looks so light &amp; cheery! Would go there for a coffee &amp; read a book!
Emotion: joy
Intensity score: 
0.700