We are five little things of an everyday sort, You will find us all in a tennis court.
If a farmer has 5 chickens, two horses, and a wife. How many feet are on his farm?
Just four. His wife has two feet, he has two feet, each chicken has two claws, each horse has four hoofs.
Three doctors said that Robert was their brother. Robert said he had no brothers. Who is lying?
Neither of them were lying. The doctors were his sisters.