Complex sentence: The origin for the conical karst of the Chocolate Hills is described in popular terms on the bronze plaque at the viewing deck in Carmen, Bohol states that they are eroded formations of a type of marine limestone that sits on top of hardened clay.
Split into simpler sentences: The origin for the conical karst of the Chocolate Hills is described in popular terms on the bronze plaque at the viewing deck in Carmen, Bohol. This plaque states that they are eroded formations of a type of marine limestone that sits on top of hardened clay.