Assertion: slate | /r/HasProperty | fireproof
Facets:
value: naturally
type: MANNER
Source sentences:
text: Slate itself is fireproof, but thin pieces of slate may shatter or fall apart if placed in a fire or hot oven while the stone is cool.
text: Slate is naturally fireproof, which is advantageous when it comes to protecting your house from wildfire or stray sparks from fireworks.