Assertion: pond | /r/HasProperty | natural
Facets:
Source sentences:
text: Some ponds are natural while others are humanmade.
text: If the pond is a natural bottom or clay lined pond, the search becomes a little more complex.
text: Whether your pond or lake is man-made or natural, there is a life-cycle attached to your pond or lake.
text: Plastic or rubber pond liners do not easily lend themselves to a natural look nor a naturally functioning pond habitat even though there are many who claim these ponds are "natural", at least for marketing purposes.