Assertion: crab's exoskeleton | /r/HasProperty | hard
Facets:
Source sentences:
text: Crabs are protected by a hard exoskeleton.
text: Hermit crabs need these appropriated shells as unlike other crustaceans, they have soft bodies and only have hard exoskeletons for the front part of their bodies.
text: The horseshoe crab has a hard exoskeleton and 10 legs, which it uses for walking along the seafloor.