Assertion: duck's egg | /r/HasProperty | incubated for 19 to 21 days
Facets:
value: in the vietnamese version
type: LOCATION
Source sentences:
text: In the Vietnamese version, "trứng vịt lộn", the egg is incubated for 19 to 21 days, when the embryo is old enough to be recognizable as a baby duck and has bones that will be firm but tender when cooked.