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

[Q]: But a guy named Governor Blagojevich (D) gets to stay in jail according to the Supreme Court. So if the elected representative is truly stupid enough good things do happen in Chicago.
[A]: Yes

[Q]: Hang 'em high.
[A]: Yes

[Q]: Blacks oppress themselves!
[A]:
Yes