Answer:
No matter how terrible things get for the people of the Arctic, they will not eat a penguin. Why not?
What is the building that you leave without ever having entered.
You have a bucket full with 5 gallons of water. What can you ADD to it in order to make it 3 gallons?
There are two sisters: one gives birth to the other and she, in turn, gives birth to the first. Who are the two sisters?
What is yours but only used by others?
I have feet on my head