Task: Gauge the level of intensity for emotion E in the tweet, assigning it a score between 0 and 1. A score of 0 indicates the lowest intensity, while a score of 1 indicates the highest intensity.
Tweet: Thank you @Pret 4 giving me a free coffee for bringing my reusable cup to the airport because it was 1st time you saw one. But #depressing
Emotion: sadness
Intensity score: 
0.625