Assertion: opossum's mother | /r/HasAspect | 13 teats
Facets:
Source sentences:
text: Although dozens of them will be born, the mother only has 13 teats, so that's how many will be able to ride that gravy train into opossum adulthood.
text: Of these no more than13 will survive because the mother only has 13 teats with which to feed them.