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: @SiobhanSynnot  Oh, good God. Quentin Letts is doing one of his 'comedy' turns. #angry @bbcthisweek @afneil #BBCTW
Emotion: anger
Intensity score: 
0.500