Assertion: vulture's parent | /r/CapableOf | sit on egg
Facets:
value: during incubation period
type: TEMPORAL
Source sentences:
text: Both parents sit on eggs during incubation period which lasts 42 days.
text: Both parents sit on the eggs and the young are born forty days later.
text: Both parents share in incubating, brooding (sitting on the eggs), and feeding the chicks.