Assertion: dog's eyelid | /r/HasProperty | upper lid
Facets:
Source sentences:
text: Dogs have three eyelids, an upper lid, a lower lid and the third lid, called a nictitating membrane or “haw,” which helps keep the eye moist and protected.
text: Dogs have three eyelids: an upper lid, a lower lid and a third lid which keeps the eyes moist and protected.