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: @Pharah_Amari [Reyes snarled in frustrated anger, steel claws flexing dangerously. But she uttered those damning words, it seems to snap --
Emotion: anger
Intensity score: 
0.500