Book is located at room. In bookcase cannot have a location of surface of earth. Table cannot have a location of potato salad. Pen cannot have a location of potato salad. Shade is located at public park. Pen is located at table. Room is located at house. Pen cannot have a location of equestrian competition. Table is located at room. In bookcase is located at public park. House is located at surface of earth.
Room is located at surface of earth.