Assertion: porcupine's tail | /r/HasProperty | strong
Facets:
Source sentences:
text: The porcupine does not throw its quills, but it uses its strong tail to push its quills into an attacker.
text: The porcupine does not throw its quills, but it uses its strong tail to push its quills into an attacker.
text: They have a strong tail that is used for grasping branches, and large feet with bare soles (like callused pads) that aid in tree climbing.