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: @jamesmb @DonaldJTrumpJr His knife is clean. He is tough enough to fire a gun, but not tough enough to get his hands dirty. #awful
Emotion: fear
Intensity score: 
0.633