Sue and Linda usually go to school by car. They drive past  a hospital, a supermarket and a food shop. The food shop is next to the supermarket. . Jack and Michael usually go to school by bus. They go past a bank and a post office. The bank is next to the post office. Mary usually goes to work by bike. She rides a bike past a police office, a park and a swimming pool. The park is between the police office and the swimming pool. How many people are there in this passage?
Three Four Five six