Assertion: asphalt | /r/AtLocation | both asphalt lakes
Facets:
value: naturally
type: MANNER
value: in rock asphalt
type: LOCATION
Source sentences:
text: Asphalt occurs naturally in both asphalt lakes and in rock asphalt (a mixture of sand, limestone, and asphalt).
text: It is found naturally in asphalt lakes and asphalt rocks.
text: Asphalt occurs naturally in both asphalt lakes and in rock asphalt (a mixture of sand, limestone and asphalt).