Sam is asking a policeman.
Sam: Excuse me. Where is the art museum?
Policeman: It's near the post office on Main Street.
Sam: Is it far?
Policeman: No.
Sam: How can I get there?
Policeman: Go straight and turn left at the bookstore. Then turn right at the cinema and you can see the art museum.
Sam: Thanks!
Policeman: You're welcome.