classifying changes metals sloth / area by their compost
dumping_ground is not generic_artifact. ground_sloth is not mammal. dumping_ground is generic_artifact. ground_sloth is mammal. compost is not decayed_organic_matter. compost is decayed_organic_matter. ground_sloth is megatherian. piece_of_metal_furniture is not furniture. ground_sloth is not megatherian. piece_of_metal_furniture is furniture.