when land slides from the ocean , that land usually tape to the sand
ocean is giant_desert_with_water. ocean is sea. erosion is when_sand_washes_off_beach. find_underwater is sand. erosion is not when_sand_washes_off_beach. beach_erosion is erosion. ocean is not giant_desert_with_water. find_underwater is not sand. ocean is not sea. sometimes_shore_of_ocean is not beach.