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

Example Input: "it’s just dumb kids. (That) tells me there are people who think this is an acceptable way to challenge authority" 

I don't think it's a way for dumb kids to challenge authority, it's a way to get an easy rise out of someone. What other graffiti ends up becoming a news story? It's just real life trolling.
Example Output: Yes

Example Input: Margaret Conaway, thank you for your excellent letter!  And yes Kelly is insane.
Example Output: Yes

Example Input: Three complete idiots, now of the streets.
Example Output:
Yes