What demands an answer, but asks no question?

What is made of wood but can't be sawed?

This food is a staple for households worldwide. Its definition is: An edible seed, typically kidney­-shaped, growing in long pods on certain leguminous plants.

There is a woman in a boat, on a lake, wearing a coat. If you want to know her name, it’s in the riddle I just wrote. What’s the woman’s name?

Why do we always feel like we can’t live without our phone, almost to the point that it seems as if it is a part of our very cells themselves?