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: #recession, #economic #gloom? The brightest #stars shine in the darkest nights! Our #html5 #webdesign rocks! #rtblitz #finovate #wlsb
Emotion: sadness
Intensity score: 
0.521