Consider the emotion sadness and the 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". Evaluate the intensity of this emotion in the tweet, assigning a value between 0 (least intense) and 1 (most intense).
0.812