Assertion: oyster's shape | /r/HasProperty | depend on natural pigment of the nacre
Facets:
Source sentences:
text: The many different types, colours and shapes of pearls depend on the natural pigment of the nacre, and the shape of the original irritant.
text: The many different types, colours and shapes of pearls depend on the natural pigment of the nacre, and the shape of the original irritant.