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: .@marcorubio mentions his high school-aged daughters, 'should be a joyous occasion' when they go to college, not bring 'fear,' 'trepidation'
Emotion: joy
Intensity score: 
0.271