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

[EX Q]: Dick, here's your chance to be useful! YOU find and pay a pollster so we can all return your silly comment....
[EX A]: Yes

[EX Q]: Smelly potheads.

I hope the Hilton remembers to buy extra disinfectant.
[EX A]: Yes

[EX Q]: Hi Paul, Great quote! I do wonder why this letter reminded of stupidity?
[EX A]:
Yes