Assertion: sea urchin's test | /r/HasProperty | body
Facets:
Source sentences:
text: They are often seen with parts of shells and sand covering its test (body).
text: The spines of the Spiny Sea Urchin may have a green iridescence, while the test (body) varies in colour from deep red to black.
text: The Pink Sea Urchin's tube feet are transparent and the test (body) and spines are pink-brown.
text: The Pin-cushion Urchin has a brown or purple test (body), short white spines sometimes tipped with orange, and brownish-red tube feet.