A young boy was with a ball in the street. He threw it too hard and it the window of a house and fell into the house. A woman came to the window and shouted at the boy. The boy was afraid and ran away. But he still wanted his ball back. A few minutes , the boy came back and knocked at the door and said, “My father is going to come and repair your window soon.
After a while，a man came to the door with tools (工具) in his hand, the woman let the boy take his ball away.
When the man finished repairing the window, he said to the woman, “Please pay ten dollars.”
“But aren't you the father of the boy?"" the woman asked, looking “No," he answered, looking more surprised. “Aren't you his mother?"
