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: @GuardianAus @Paul_Karp Maybe 49% support no #Muslim immigration cos they perceive the risk of #Islamist ideology &amp; #terrorism as too high?
Emotion: fear
Intensity score: 
0.625