Assertion: walrus | /r/Desires | clam
Facets:
value: as a food source
type: MANNER
value: over all other food sources
type: OTHER
Source sentences:
text: They tend to prefer clams over all other food sources.
text: Walruses generally forage in groups at depths between 33 feet and 164 feet (10 m-50 m) and seem to prefer clams as a food source.