context: Yard is located in surface of earth. House is located in surface of earth. Office is not located in front of door. City is located in surface of earth. Work is not located in front of door. Office is not located in paint. Work is located in school. Many system is located in house. School is located in city. School is a place to learn thing. Office is not located in work. Yard is located in house. Vend stand is located in city.
text: City is located in surface of earth.