Assertion: asphalt | /r/HasProperty | preferred
Facets:
value: for modern road surfaces
type: PURPOSE
value: in the winter
type: TEMPORAL
value: for their heat-retaining qualities
type: CAUSE
Source sentences:
text: Blacktop and asphalt are both preferred in the winter for their heat-retaining qualities.
text: Concrete can be poured into molds for a wide range of purposes; many older roads are paved with concrete, although asphalt is the preferred material for modern road surfaces.