Task: Calculate the intensity of emotion E in the tweet as a decimal value ranging from 0 to 1, with 0 representing the lowest intensity and 1 representing the highest intensity.
Tweet: @SouthernRailUK delays from Streatham Cmn to Clap Junc &amp; now train took 20 mins for 9 mins journey. Missed 2 trains to Reading #fuming
Emotion: anger
Intensity score: 
0.628