Task: Measure the level of emotion E in the tweet using a real-valued score between 0 and 1, where 0 represents the lowest intensity and 1 represents the highest intensity.
Tweet: Another grim &amp; compelling news report by @Nawalf on the blockade of aid to the starving in #Yemen #BBC #dosomethingpoliticans
Emotion: sadness
Intensity score: 
0.708