Answer:
There are 5 sisters in a room: Ann is reading a book, Margaret is cooking, Kate is playing chess, Marie is doing the laundry. What is the fifth sister doing?
A man was sitting on his couch and searching for the English Channel. How did he find it?
The more that there is of this, the less you see. What is it?
What goes up the hill and down the hill, And spite of all, yet stand still?
How could all of your cousins have an aunt who is not your aunt?
I stand in one place yet fill the whole room. I can be filled with molten rock and come in every hue. What am I?