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 Payet goes either in Jan or @ the seasons end, can't say I blame him. The boy must b so disheartened by what he's seeing at the mo.
Emotion: sadness
Intensity score: 
0.625