Please answer the following question: Read the following article and select the best answer. Article: There are many kinds of cars in the world. My grandmother thinks that is because cars are like their drivers. She says, "Rich people have expensive cars, big people have large cars, and old people have old cars," But I don't agree with her. My neighbor, Mrs. Hill, is 82 years old. She drives only on Tuesday, and she drives only to the bank. She never drives more than 30 kilometers an hour. Do you think Mrs. Hill has a very old and small car? No! Her car is new. It is very large and it can go 200 kilometers an hour! My friend Mike is an artist. He draws beautiful pictures with a lot of colors. But his car is black! Mrs. Bates has a very old car. It often has engine trouble. Does she have that kind of car because she is very poor? No, she has four factories and two million dollars in the bank. My aunt Mary has a car. Every Sunday, she drives to the country with her husband, her three children , her mother and their dog. Now you read about my friends and their cars. Do you agree with my grandmother? Question: There are _ people in my aunt's car on Sunday? - 5 - 6 - 7 - 8
A:
6