Assess the level of joy present in the following tweet: "@RapeseedOilFans \nWho nose where those scent roses went\nTo a spot in the Orient\nMummified\nIn rapeseed oil fried\nEating drinking &amp; merriment.". Provide a real number between 0 and 1, with 0 representing the least intensity and 1 representing the highest intensity.
0.479