Assertion: booby's egg | /r/HasProperty | incubated by sex
Facets:
value: for about six weeks
type: TEMPORAL
Source sentences:
text: The female lays a single egg, which is incubated by both sexes.
text: This egg is incubated by both sexes for a period of 50 to 60 days.
text: A single egg is laid and is incubated by both sexes for about six weeks.