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: the grave of a beat, a bravehearted cave lover, cage lover, sage #lover who made #soup of you, twisted to spoony #melancholy, spikes, spices
Emotion: sadness
Intensity score: 
0.375