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

[EX Q]: Spice will never be the same problem as hard drugs (Coke, Heroin, Meth). Existing hard drugs turn people into crack heads and junkies for many years, maybe even a decade before they die or get clean. Spice kills it's users quickly, this Spice epidemic will be over in a couple years, people stupid enough to use it will die.
[EX A]: Yes

[EX Q]: "execute the addicts"? That's a rather cowardly approach.
[EX A]: Yes

[EX Q]: Hillary will be slinging mud soon enough, and it will be nasty.
[EX A]:
Yes