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

Ex Input:
Oil bottomed at $27 and is back to $50.  This more than wipes out the "need" for a state income tax

Ex Output:
No


Ex Input:
Because men don't belong in the ladies room. Criminals don't follow laws so the only ones that are denied guns and ammo are law abiding citizens, I hope I've answered your question for you. You are not a very nice individual and are using this horrific act to push an agenda, shame shame on you.

Ex Output:
Yes


Ex Input:
Gonna bring the brown bears into town and smell like hell at Spring Creek Prison in the summer westerlies. Not the best of places to make a deposit. It would seem no one involved in this operation has ever been in the vicinity of a rotting whale. Expect to hear more about this as the summer peaks and the whale seriously decomposes.

Ex Output:

Yes