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: @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