Assertion: gopher tortoise's shell | /r/HasProperty | hard
Facets:
value: generally
type: DEGREE
Source sentences:
text: Adult gopher tortoises are less vulnerable to predation because of their hard shells and because they spend so much time underground, but they too can be killed by coyotes, bobcats, or domestic dogs and cats.
text: The shell in tortoises is generally hard, and like other members of the suborder Cryptodira, they retract their necks and heads directly backwards into the shell to protect them.
text: It would be hard for predators to eat them if the shell was hard.