Task: Calculate the intensity of emotion E in the tweet as a decimal value ranging from 0 to 1, with 0 representing the lowest intensity and 1 representing the highest intensity.
Tweet: If you love singing, but don't have time for a weekly choir, come down to #KWOIR at @theartworksuk tomorrow! #Choir #glee #musiclondon
Emotion: joy
Intensity score: 
0.420