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: .@WotzupCapeTown - thanks for sharing! Surprise guests! @HumanJurgen &amp; visiting US Tenor Sax @CunninghamColin. #livemusic #capetown #blues
Emotion: sadness
Intensity score: 
0.267