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: Yesterday is history, tomorrow is amystery, and today is a gift; that's why they call it the present #livelife #humbleness #smile #live
Emotion: joy
Intensity score: 
0.434