Task: Measure the level of emotion E in the tweet using a real-valued score between 0 and 1, where 0 represents the lowest intensity and 1 represents the highest intensity.
Tweet: Because of 'failure of delivery on time', a customer has to pay 16K rupees more! - Not good @tiagotatamotors @TataMotors #unhappy
Emotion: sadness
Intensity score: 
0.625