Assertion: goose's liver | /r/HasProperty | fattened
Facets:
value: naturally
type: MANNER
value: specially
type: MANNER
Source sentences:
text: It was originally derived from the European Greylag Goose (Anser anser) to meet the growing demand for the French delicacy Pté de foie gras - a dish made of goose or duck liver that has been specially fattened.
text: This method involves timing the slaughter to coincide with the winter migration, when livers are naturally fattened.