Assertion: sea urchin's mouth | /r/HasAspect | five tooth-like plates
Facets:
value: for feeding
type: PURPOSE
Source sentences:
text: The mouth of the sea urchin sits in the centre of the bottom side of its round body and has five tooth-like plates to grind food.
text: The mouth of the sea urchin (known as the Aristotle's lantern), is found in the middle on the underside of the sea urchin's body and has five tooth-like plates for feeding.