Assertion: marsupial | /r/HasAspect | uterus
Facets:
Source sentences:
text: Marsupials have a uterus and a placenta.
text: Marsupials, however, have two uteruses, each with their own associated ovary and cervix.
text: Marsupials have both a uterus and a placenta.
text: Both mammals and marsupials have a uterus and placenta.