Assertion: crab's shell | /r/CapableOf | prevent many predators
Facets:
value: from accessing their soft underbellies
type: TRANSITIVE-OBJECT
Source sentences:
text: However, the crabs are very durable and resistant to change, hence enabling their long span of existence, This durability is due to their hard, curved shells, which have long prevented many predators from accessing their soft underbellies.