Assess the level of sadness present in the following tweet: "Lament a \nsaddened heart,\nso far &amp; \nyet so near,\nthe years so\ntough &amp; scarred,\nthis lonesome\nroad,\nstill feared! #depression \n\n#poetry #poem". Provide a real number between 0 and 1, with 0 representing the least intensity and 1 representing the highest intensity.
0.812