Assertion: embryo's mother | /r/HasAspect | only one joey
Facets:
value: in her pouch
type: LOCATION
value: normally
type: DEGREE
Source sentences:
text: The mother is fertile as soon as the kangaroo embryo is born, but if an egg is fertilized when a joey is present in the pouch, development of the egg is usually delayed so that the mother normally has only one joey in her pouch.