Assertion: booby's egg | /r/HasProperty | incubated by parent
Facets:
value: in turn
type: TEMPORAL
value: for six weeks
type: TEMPORAL
Source sentences:
text: They usually nest on cliff faces in loose colonies, where a single egg will be incubated by both parents for six weeks or so.
text: The single large white egg, laid on the bare ground or in a heaped-up nest, is incubated by the parents in turn.