Assertion: sea urchin's test | /r/HasProperty | fragile
Facets:
value: with four porous spaces
type: OTHER
value: with petaloids
type: OTHER
Source sentences:
text: The test (internal skeleton) is rather fragile with four porous spaces, or petaloids.
text: Test and spines are fragile.
text: These tests are fragile and easily broken into pieces.