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: @Gervaisoholic But this is no easy ride for a child cries: \n'Oh, find me...find me, nothing more, \nWe are on a sullen misty moor...'
Emotion: sadness
Intensity score: 
0.667