Categorize the comment on the basis of threat. If the comment is threatening output Yes, otherwise output No.

Ex Input:
Bureau of Reclamation Report to Congress on Western US water security based on future climate models released  March 22 2016 predicts average annual temperatures across the west to increase 5 -7 Degrees F or 3-4 Degrees C by mid late 21st century.  
http://www.usbr.gov/climate/secure/

Ex Output:
No


Ex Input:
...funny how I never mentions specific names in my bigot, racist list, but you reared your head.  If the shoe fits, wear it.

Ex Output:
Yes


Ex Input:
Fat Chance on the Gas Tax

They can find $200M+ for a wasteful rebuild of the Portland Building...for City Workers, but can't find an equal amount to maintain streets...of all Portlanders?? Gas Tax = Fat Chance

Ex Output:

Yes