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: @redBus_in #unhappy with #redbus CC, when I talked with them before a week still they didn't initiate the refund of the transaction.
Emotion: sadness
Intensity score: 
0.604