Assertion: river | /r/CapableOf | begin on high ground
Facets:
value: in mountains
type: LOCATION
value: in hills
type: LOCATION
Source sentences:
text: A river begins on high ground or in hills or mountains and flows down from the high ground to the lower ground, because of gravity.
text: A river begins on high ground or in hills or mountains and flows down from the high ground to the lower ground, because of gravity.