阅读对话，判断正误。
(Sarah is asking a policeman for help. )
Sarah: Excuse me. Where is the Zhongbai Supermarket, please?
Policeman: It's next to the hospital over there.
Sarah: Is it far from here?
Policeman: No.
Sarah: How can I get there?
Policeman: You can walk there.
Sarah: Thank you.
Policeman: You're welcome.
