Assertion: marble | /r/HasProperty | natural product
Facets:
value: both
type: DEGREE
Source sentences:
text: Marble is a natural product, which makes it safe for your family, as well as beautiful.
text: Marble is a natural material which forms over time from pressure and hot mineral flows.
text: Marble and granite are both natural materials.
text: Marble is a natural stone and all natural stone materials have porous surfaces.
text: Since marble is a natural product, it is going to evolve and change over time and with use no matter how much you baby it.