Assertion: waterfall | /r/CapableOf | recede over time
Facets:
value: to form a canyon
type: PURPOSE
value: to form gorge
type: TRANSITIVE-OBJECT
value: often
type: TEMPORAL
Source sentences:
text: Often over time, the waterfall will recede back to form a canyon or gorge downstream as it recedes upstream, and it will carve deeper into the ridge above it.