Wall is situated at room. Shelf is situated at wall. Tile is situated at room. Shelf is not situated at warm ocean. Room is situated at city. Vase is not situated at shelf. Beach umbrella is situated at each country. Beach umbrella is not situated at city. Room has a door. House is situated at each country. Bookstore is situated at city. Vase is not situated at warm ocean. Vase is not situated at artificial pond.
Shelf is situated at room.