Assertion: wolf | /r/CapableOf | eat grass
Facets:
value: to purge their digestive system
type: PURPOSE
Source sentences:
text: Wolves also eat grass, which may provide some vitamins.
text: Wolves will also eat grass to purge their digestive system when they have eaten something that does not agree with them.
text: It also eats rabbits, mice, beavers, fish, berries and grass.