Assertion: penguin's egg | /r/HasProperty | incubated by the female
Facets:
value: for shifts of around 6 days
type: TEMPORAL
Source sentences:
text: The female lays two eggs, which are incubated by both the male and the female.
text: These eggs are incubated by males and females for about 32 – 34 days.
text: They build circular nests from stones, and lay two eggs, which are incubated by both the male and the female for shifts of around 6 days each.