Assertion: parchment | /r/MadeOf | the youngest animals
Facets:
Source sentences:
text: It follows that if the best parchment is made from the youngest animals, then vellum made from aborted or stillborn calves and lambs must be best of all.
text: It follows that if the best parchment is made from the youngest animals, then vellum made from aborted or stillborn calves and lambs must be best of all.