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: Free live music in DC tonight!  #blues with #MoonshineSociety at @thehamiltondc in the Loft starting at 10:30pm @FreeinDCBlog @WTOPFreebies
Emotion: sadness
Intensity score: 
0.188