Assertion: sea otter | /r/CapableOf | flip over boulder
Facets:
value: on the sea floor
type: LOCATION
value: to search for food
type: PURPOSE
Source sentences:
text: Moreover, they are the only marine mammal that can flip over boulders found on the seafloor.
text: 8) Sea otters are the only marine mammals that can flip over boulders on the sea floor to search for food.