Assertion: goose's diet | /r/HasProperty | based on grass
Facets:
value: during the breeding season
type: TEMPORAL
Source sentences:
text: Its diet is based on grass, berries and leaves during the breeding season, and on the algae, mussels and clams during the winter.
text: Its diet is based on worms, corn, wheat, sunflower seed, weed, leaves and grass.