Assertion: mammal's gland | /r/HasProperty | mammary
Facets:
Source sentences:
text: One of the most important characteristics of mammalia is that female mammals have mammary glands.
text: The monotremes branched early from other mammals and do not have the nipples seen in most mammals, but they do have mammary glands.
text: Mammals are warm blooded vertebrates that have mammary glands, which means that the females are able to produce milk to feed their young.