Task: Estimate the strength of emotion E in the tweet by assigning it a real-valued score between 0 and 1, where 0 signifies the least intensity and 1 signifies the greatest intensity.
Tweet: we never taste happiness in perfection, our most fortunate successes are mixed with sadness. #success #sadness #perfection #fortunate #mixed
Emotion: sadness
Intensity score: 
0.604