Assertion: duck | /r/CapableOf | use its gizzard
Facets:
value: to help digest the food
type: PURPOSE
Source sentences:
text: When a duck catch larger items of food, it swallows them whole and uses its gizzard to help digest the food.
text: Ducks use their strong beaks to catch their food and then swallow them whole, using their gizzard to help to digest their food.