Assertion: king penguin's egg | /r/HasProperty | ready to hatch
Facets:
value: to relieve her mate
type: PURPOSE
value: usually
type: TEMPORAL
Source sentences:
text: She returns several weeks later, usually just before the egg is ready to hatch, to relieve her mate so that he may feed.
text: She returns just before the egg is ready to hatch to relieve her mate.