Task: Evaluate the strength of emotion E in the tweet, providing a real-valued score from 0 to 1. A score of 0 denotes the absence of the emotion, while a score of 1 indicates the highest degree of intensity.
Tweet: @WestHamUtd poor service tonight to find season ticket holders in the seats we purchased online. Forced to move further away #unhappy
Emotion: sadness
Intensity score: 
0.667