Assertion: sea slug's shell | /r/HasProperty | strong
Facets:
value: as a group
type: MANNER
value: very
type: DEGREE
value: in many cases
type: TEMPORAL
value: often
type: DEGREE
Source sentences:
text: The shell, which is often very strong, helps to protect snails from being eaten by other animals.
text: Because the shells of sea snails are strong and durable in many cases, as a group they are well represented in the fossil record.