Analyze the tweet "#FF \n\n@The_Family_X \n\n#soul #blues &amp; #rock #band\n\n#music from the #heart\n\nWith soul &amp; #passion \n\nXx 🎶 xX" and quantify the intensity of the emotion sadness. Use a scale from 0 to 1, with 1 representing the highest intensity.
0.250