Assertion: marsupial's pouch | /r/CapableOf | cover nipple
Facets:
Source sentences:
text: The pouch—or marsupium, from which the group takes its name—is a flap of skin covering the nipples.
text: The pouch contains nipples which protect and sustains the young ones.
text: The pouch acts as a protective sleeve for their young, as well as contains several nipples for the young to feed as they develop.