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: When you have just about enough @marmite in your jar at work for 1/4 of a slice of toast 😩😩 #unhappy
Emotion: sadness
Intensity score: 
0.794