Assess the level of anger present in the following tweet: "@Cass_Pennant @frankbrunoboxer @WestHamUtd @davidgold @MaccaFrank @JonjoHeuerman @WestHamMagazine @CasualMind_ @karren_brady it's an insult.". Provide a real number between 0 and 1, with 0 representing the least intensity and 1 representing the highest intensity.
0.500