Answer:
What can I not be tomorrow?
There are two sisters: one gives birth to the other and she, in turn, gives birth to the first. Who are the two sisters?
A man is twenty years old but has only had five birthdays. How is that possible?
On Christmas eve, when Santa leaves his workshop on the north pole, what direction does he travel.
No is to negative as yes is to...?
What is it that makes tears without sorrow. And takes its journey to heaven?