Categorize the comment on the basis of sexual explicitness. If the comment is sexually explicit output Yes, otherwise output No.

Ex Input:
Stay off of porn sites.

Ex Output:
Yes


Ex Input:
I tried to get an appointment to talk to Meyer before I paid my airfare to Juneau to talk to several legislators. The reason I couldn't? Because I was not his constituent!  Guess lobbyists are more important than regular people. 
 Remember the old saying, Kevin, "Pride goes before a fall." Can anyone say "Term Limits."

Ex Output:
No


Ex Input:
I'm suggesting that refusing to permit other viewpoints than those approved by students and faculty at a university is the exact opposite to 'free speech'.

Ex Output:

Yes