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: Ha ha love flats description of Marlie packer... Default setting 'combat mode'.... 😂😂😂😂😂  #brilliant \n@davidflatman @MarliePacker #WRWC2017
Emotion: joy
Intensity score: 