Assertion: porcupine's quill | /r/HasProperty | different lengths
Facets:
value: over different parts of the body
type: LOCATION
Source sentences:
text: Porcupine quills, for example, are different lengths over different parts of the body, fall out relatively easily, and break readily when bent, whereas hedgehog spines are the same length all over the body, are well embedded into the skin (“you can pick up a hedgehog by a single spine!”