Assertion: octopus | /r/CapableOf | enlarge the cavity
Facets:
value: by removing stones
type: MANNER
Source sentences:
text: Mather (1994) has also described how some octopuses improve crevices in rocks where they take shelter, enlarging the cavity by removing stones and sand and bringing stones, shells, claws from molted crabs, and even bottles to partly block the entrance.