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: It's the #FirstDayofFall and I'm so happy. Sipping my #PumpkinSpice flavored coffee and #smiling! Happy Fall everyone! #amwriting
Emotion: joy
Intensity score: 
0.860