Assertion: cassowary's casque | /r/HasProperty | spongy
Facets:
value: inside,
type: LOCATION
Source sentences:
text: The casque is spongy inside, rather than bony, and may also act as a shock-absorber that protects the bird’s head when it pushes through dense thickets of rainforest and scrub.
text: Its casque is relatively weak and spongy and more likely to be seriously damaged in combat.