Task: Rate the intensity of emotion E in the tweet on a scale of 0 to 1, with 0 indicating the least intensity and 1 indicating the highest intensity.
Tweet: Finished writing my second book tonight. #somber #sad #youpromised #havemercy #author #writer #needpublisher #beingedited #workingonsidebook
Emotion: sadness
Intensity score: 
0.521