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: @British_Airways In your Concorde Lounge in Terminal 7 JFK. So saddened to have to say, service so far is dismal. Don't expect a reply.
Emotion: sadness
Intensity score: 
0.542