Sam lives in New York. His father has a shop there and his mother is a doctor. He is seven years old and stars school this autumn. The school is a little far from their shop, and his mother drives him to school every day. Sam is never late for class. His teacher likes him very much. Today is Monday. Miss Green is teaching the class to count from one to ten. Sam is studying hard. Soon he can count. Miss Green is happy and asks, “ How many people are there in your family, Sam?” Sam stands up and says,”Two, Miss Green.” “Who are they?” asks Miss Green. “My father and mother,” says Sam. “Oh?” Miss Green is surprised. She says, “ There are three people in your family, Sam.” “But, Miss Green, I am not at home, but at school, you know!”