Think about the following

If man evolved from monkeys and apes, why do we still have
monkeys and apes?

The main reason Santa is so jolly is because he knows where
all the bad girls live.

I went to a bookstore and asked the saleswoman, "Where's the
self-help section?" She said if she told me, it would defeat the
purpose.

What if there were no hypothetical questions?

If a deaf person swears, does his mother wash his hands with
soap?

If someone with multiple personalities threatens to kill himself,
is it considered a hostage situation?

Is there another word for synonym?

Where do forest rangers go to "get away from it all?"

What do you do when you see an endangered animal
eating an endangered plant?

Why do they lock gas station bathrooms? Are they afraid
someone will clean them?

If the police arrest a mime, do they tell him he has the right
to start speaking?

Why do they put Braille on the drive-through bank machines?

What was the best thing before sliced bread?

Do infants enjoy infancy as much as adults enjoy adultery?

How is it possible to have a civil war?

If one synchronized swimmer drowns, do the rest drown, too?

If you ate both pasta and antipasto, would you still be hungry?

If you try to fail, and succeed, which have you done?

Whose cruel idea was it for the word "Lisp" to have "S" in it?

Why is it called tourist season if we can't shoot at them?

If you spin an oriental man in a circle three times does
he become disoriented?