Assertion: hedgehog | /r/CapableOf | curl
Facets:
Source sentences:
text: When threatened, a hedgehog is able to curl up into a ball with its quills extended.
text: If a hedgehog senses danger and cannot run away fast enough, it is able to curl itself up into a ball.
text: When threatened, hedgehogs are able to curl up in a ball, extending their quills for defense.