Assertion: slate | /r/HasProperty | dense
Facets:
value: very
type: DEGREE
value: as a stone
type: MANNER
value: with a lifespan of a century
type: OTHER
Source sentences:
text: Slate is very dense and does not absorb water
text: Slate quarried for roofing is exceptionally dense, durable and long-lasting, with a lifespan of a century or longer.
text: As a stone, slate is highly dense and impervious to water.