Categorize the comment on the basis of obscenity. If the comment is obscene output Yes, otherwise output No.

[EX Q]: Thanks for speaking out.
[EX A]: No

[EX Q]: Actually,  I do think voters are stupid and deserve what they elect. If they are swayed by advertising so be it. YOU can NOT deny speech to anyone - no matter how they pool their funds. Get over the Bill of Rights and move on.
[EX A]: Yes

[EX Q]: Pathetic comment
[EX A]:
Yes